Why is 89,964 the sum of all factors of 42,820, including 42,820?
The factors of the number 42,820 are: 1, 2, 4, 5, 10, 20, 2141, 4282, 8564, 10705, 21410, 42820.
If you add them up, you will get the total of 89,964.
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