Q: What is the sum of all factors of the number 327,520 excluding 327,520?

A: 488,960

Why is 488,960 the sum of all factors of 327,520, excluding 327,520?

The factors of the number 327,520 are: 1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 89, 92, 115, 160, 178, 184, 230, 356, 368, 445, 460, 712, 736, 890, 920, 1424, 1780, 1840, 2047, 2848, 3560, 3680, 4094, 7120, 8188, 10235, 14240, 16376, 20470, 32752, 40940, 65504, 81880, 163760, 327520.

If you add them up, you will get the total of 328,008. Now subtract 327,520 to get 488,960