Q: What is the sum of all factors of the number 129,556,720 excluding 129,556,720?

A: 179,017,280

Why is 179,017,280 the sum of all factors of 129,556,720, excluding 129,556,720?

The factors of the number 129,556,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 39499, 78998, 157996, 197495, 315992, 394990, 631984, 789980, 1579960, 1619459, 3159920, 3238918, 6477836, 8097295, 12955672, 16194590, 25911344, 32389180, 64778360, 129556720.

If you add them up, you will get the total of 129,556,899. Now subtract 129,556,720 to get 179,017,280