Q: What is the sum of all factors of the number 3,207,740 excluding 3,207,740?

Why is 3,528,556 the sum of all factors of 3,207,740, excluding 3,207,740?

The factors of the number 3,207,740 are: 1, 2, 4, 5, 10, 20, 160387, 320774, 641548, 801935, 1603870, 3207740.

If you add them up, you will get the total of 3,207,743. Now subtract 3,207,740 to get 3,528,556

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