Q: What is the sum of all factors of the number 13,276,720 excluding 13,276,720?

A: 18,065,024

Why is 18,065,024 the sum of all factors of 13,276,720, excluding 13,276,720?

The factors of the number 13,276,720 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2477, 2680, 4954, 5360, 9908, 12385, 19816, 24770, 39632, 49540, 99080, 165959, 198160, 331918, 663836, 829795, 1327672, 1659590, 2655344, 3319180, 6638360, 13276720.

If you add them up, you will get the total of 13,276,738. Now subtract 13,276,720 to get 18,065,024