Q: What is the sum of all factors of the number 64,767,380 excluding 64,767,380?

Why is 71,736,652 the sum of all factors of 64,767,380, excluding 64,767,380?

The factors of the number 64,767,380 are: 1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5660, 11443, 22886, 45772, 57215, 114430, 228860, 3238369, 6476738, 12953476, 16191845, 32383690, 64767380.

If you add them up, you will get the total of 64,767,451. Now subtract 64,767,380 to get 71,736,652

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