Riddle: I am a number that is the product of my factors' sum…

Riddle

i-have-keys-that-open-no-locks-i-have-space-but-no-room

Riddle

i-am-a-three-digit-number-my-tens-digit-is-five-more

Riddle

what-can-travel-the-world-while-staying-in-a-corner

Riddle

i-can-be-long-or-short-yet-never-change-in-size-i

Riddle

what-has-keys-but-cant-open-locks-sails-without-wind