Q: What is the sum of all factors of the number 519,520 excluding 519,520?

A: 786,848

Why is 786,848 the sum of all factors of 519,520, excluding 519,520?

The factors of the number 519,520 are: 1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 191, 272, 340, 382, 544, 680, 764, 955, 1360, 1528, 1910, 2720, 3056, 3247, 3820, 6112, 6494, 7640, 12988, 15280, 16235, 25976, 30560, 32470, 51952, 64940, 103904, 129880, 259760, 519520.

If you add them up, you will get the total of 520,306. Now subtract 519,520 to get 786,848