Q: What is the sum of all factors of the number 647,671,760 excluding 647,671,760?

A: 863,127,376

Why is 863,127,376 the sum of all factors of 647,671,760, excluding 647,671,760?

The factors of the number 647,671,760 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 12280, 24560, 26371, 52742, 105484, 131855, 210968, 263710, 421936, 527420, 1054840, 2109680, 8095897, 16191794, 32383588, 40479485, 64767176, 80958970, 129534352, 161917940, 323835880, 647671760.

If you add them up, you will get the total of 647,672,623. Now subtract 647,671,760 to get 863,127,376