Q: What is the sum of all factors of the number 31,800 including 31,800?

A: 100,440

Why is 100,440 the sum of all factors of 31,800, including 31,800?

The factors of the number 31,800 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 53, 60, 75, 100, 106, 120, 150, 159, 200, 212, 265, 300, 318, 424, 530, 600, 636, 795, 1060, 1272, 1325, 1590, 2120, 2650, 3180, 3975, 5300, 6360, 7950, 10600, 15900, 31800.

If you add them up, you will get the total of 100,440.