Q: What is the sum of all factors of the number 65,442,640 excluding 65,442,640?

 A: 90,830,840

Why is 90,830,840 the sum of all factors of 65,442,640, excluding 65,442,640?

The factors of the number 65,442,640 are: 1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 22109, 44218, 88436, 110545, 176872, 221090, 353744, 442180, 818033, 884360, 1636066, 1768720, 3272132, 4090165, 6544264, 8180330, 13088528, 16360660, 32721320, 65442640.

If you add them up, you will get the total of 65,442,730. Now subtract 65,442,640 to get 90,830,840


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