Q: What is the sum of all factors of the number 24,960 excluding 24,960?

A: 60,720

Why is 60,720 the sum of all factors of 24,960, excluding 24,960?

The factors of the number 24,960 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960.

If you add them up, you will get the total of 25,020. Now subtract 24,960 to get 60,720