What numbers can go into 39 and 100?

Oh, what a happy little question! Let's see, for 39, you can divide it by 1, 3, 13, and 39. And for 100, you can divide it by 1, 2, 4, 5, 10, 20, 25, 50, and 100. Remember, there are no mistakes in math, just happy little numbers finding their place.