The military part is kind of a nonsense. Because Russia is obsessed with spending half of the GDP on military why other countries which could have done the same invest in better healthcare, education, infrastructure. So it all depends on how they want to spend their annual budget and which sector gets the priority.
I don't think the military part is nonsense, military strength is one aspect of what makes a country powerful. Besides if we're going to talk economics, Russia is the 4th most powerful in Europe.
UK, as far as influence. The mother land only breeds the best. As far as having the ability to destroy other countries, I'd guess Russia As far as GDP and economy, apparently it's Germany > France > UK
Probably Germany (especially if we're just talking about power within the EU)
Britain and France come after, their economies are roughly the same size but I'd argue the UK has the edge in power. It's also worth remembering that France and the UK are both on the UN Security Council.
Germany by far. France is second. Third would be up for debate.
UK isn't all that powerful anymore, although probably still more powerful than the majority of European countries.