Q: What is the sum of all factors of the number 787,161,625 excluding 787,161,625?

A: 265,770,983

Why is 265,770,983 the sum of all factors of 787,161,625, excluding 787,161,625?

The factors of the number 787,161,625 are: 1, 5, 17, 25, 83, 85, 125, 415, 425, 1411, 2075, 2125, 4463, 7055, 10375, 22315, 35275, 75871, 111575, 176375, 370429, 379355, 557875, 1852145, 1896775, 6297293, 9260725, 9483875, 31486465, 46303625, 157432325, 787161625.

If you add them up, you will get the total of 787,161,890. Now subtract 787,161,625 to get 265,770,983