Q: What is the sum of all factors of the number 636,440 including 636,440?

Why is 1,637,280 the sum of all factors of 636,440, including 636,440?

The factors of the number 636,440 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2273, 4546, 9092, 11365, 15911, 18184, 22730, 31822, 45460, 63644, 79555, 90920, 127288, 159110, 318220, 636440.

If you add them up, you will get the total of 1,637,280.

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