Why is 5,580 the sum of all factors of 2,440, including 2,440?
The factors of the number 2,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440.
If you add them up, you will get the total of 5,580.
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