C++ Taskbook Level 1.10

Find the sum of all even integers between 1 and 100.

Determine how many hours there are in a year.

Given a number:

Turn it over:

Given some integer:

Print all divisors of this number to the console.

Given a number:

Divide it by 2 as many times as necessary until the result is less than 10. How many iterations does this require?

Given a number that is a power of 10:

Find out to what power of ten was raised to obtain the given number.