Q: What is the sum of all factors of the number 648,400 including 648,400?

Why is 1,558,742 the sum of all factors of 648,400, including 648,400?

The factors of the number 648,400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1621, 3242, 6484, 8105, 12968, 16210, 25936, 32420, 40525, 64840, 81050, 129680, 162100, 324200, 648400.

If you add them up, you will get the total of 1,558,742.

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