Q: What is the sum of all factors of the number 640,968 excluding 640,968?

 A: 1,056,792

Why is 1,056,792 the sum of all factors of 640,968, excluding 640,968?

The factors of the number 640,968 are: 1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 1571, 3142, 4713, 6284, 9426, 12568, 18852, 26707, 37704, 53414, 80121, 106828, 160242, 213656, 320484, 640968.

If you add them up, you will get the total of 640,969. Now subtract 640,968 to get 1,056,792


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