Q: What is the sum of all factors of the number 3,871,020 excluding 3,871,020?

A: 7,065,780

Why is 7,065,780 the sum of all factors of 3,871,020, excluding 3,871,020?

The factors of the number 3,871,020 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 433, 447, 596, 745, 866, 894, 1299, 1490, 1732, 1788, 2165, 2235, 2598, 2980, 4330, 4470, 5196, 6495, 8660, 8940, 12990, 25980, 64517, 129034, 193551, 258068, 322585, 387102, 645170, 774204, 967755, 1290340, 1935510, 3871020.

If you add them up, you will get the total of 3,871,027. Now subtract 3,871,020 to get 7,065,780