Q: What is the sum of all factors of the number 659,920 excluding 659,920?

A: 909,176

Why is 909,176 the sum of all factors of 659,920, excluding 659,920?

The factors of the number 659,920 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 113, 146, 226, 292, 365, 452, 565, 584, 730, 904, 1130, 1168, 1460, 1808, 2260, 2920, 4520, 5840, 8249, 9040, 16498, 32996, 41245, 65992, 82490, 131984, 164980, 329960, 659920.

If you add them up, you will get the total of 660,829. Now subtract 659,920 to get 909,176