Q: What is the sum of all factors of the number 8,660,240 excluding 8,660,240?

A: 11,689,648

Why is 11,689,648 the sum of all factors of 8,660,240, excluding 8,660,240?

The factors of the number 8,660,240 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1051, 1648, 2060, 2102, 4120, 4204, 5255, 8240, 8408, 10510, 16816, 21020, 42040, 84080, 108253, 216506, 433012, 541265, 866024, 1082530, 1732048, 2165060, 4330120, 8660240.

If you add them up, you will get the total of 8,660,251. Now subtract 8,660,240 to get 11,689,648