Q: What is the sum of all factors of the number 40,248 excluding 40,248?

A: 79,872

Why is 79,872 the sum of all factors of 40,248, excluding 40,248?

The factors of the number 40,248 are: 1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 43, 52, 72, 78, 86, 104, 117, 129, 156, 172, 234, 258, 312, 344, 387, 468, 516, 559, 774, 936, 1032, 1118, 1548, 1677, 2236, 3096, 3354, 4472, 5031, 6708, 10062, 13416, 20124, 40248.

If you add them up, you will get the total of 40,327. Now subtract 40,248 to get 79,872