Q: What is the sum of all factors of the number 102,590,440 excluding 102,590,440?

A: 130,291,040

Why is 130,291,040 the sum of all factors of 102,590,440, excluding 102,590,440?

The factors of the number 102,590,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 22697, 45394, 90788, 113485, 181576, 226970, 453940, 907880, 2564761, 5129522, 10259044, 12823805, 20518088, 25647610, 51295220, 102590440.

If you add them up, you will get the total of 102,590,570. Now subtract 102,590,440 to get 130,291,040