Q: What is the sum of all factors of the number 811,830,520 excluding 811,830,520?

A: 1,015,667,000

Why is 1,015,667,000 the sum of all factors of 811,830,520, excluding 811,830,520?

The factors of the number 811,830,520 are: 1, 2, 4, 5, 8, 10, 20, 40, 3001, 6002, 6763, 12004, 13526, 15005, 24008, 27052, 30010, 33815, 54104, 60020, 67630, 120040, 135260, 270520, 20295763, 40591526, 81183052, 101478815, 162366104, 202957630, 405915260, 811830520.

If you add them up, you will get the total of 811,830,521. Now subtract 811,830,520 to get 1,015,667,000