Q: What is the sum of all factors of the number 4,087,620 including 4,087,620?

A: 12,399,660

Why is 12,399,660 the sum of all factors of 4,087,620, including 4,087,620?

The factors of the number 4,087,620 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 22709, 45418, 68127, 90836, 113545, 136254, 204381, 227090, 272508, 340635, 408762, 454180, 681270, 817524, 1021905, 1362540, 2043810, 4087620.

If you add them up, you will get the total of 12,399,660.