Q: What is the sum of all factors of the number 12,215,525 excluding 12,215,525?

A: 5,929,147

Why is 5,929,147 the sum of all factors of 12,215,525, excluding 12,215,525?

The factors of the number 12,215,525 are: 1, 5, 7, 25, 29, 35, 83, 145, 175, 203, 415, 581, 725, 841, 1015, 2075, 2407, 2905, 4205, 5075, 5887, 12035, 14525, 16849, 21025, 29435, 60175, 69803, 84245, 147175, 349015, 421225, 488621, 1745075, 2443105, 12215525.

If you add them up, you will get the total of 12,215,530. Now subtract 12,215,525 to get 5,929,147