Q: What is the sum of all factors of the number 72,741,380 excluding 72,741,380?

 A: 87,458,044

Why is 87,458,044 the sum of all factors of 72,741,380, excluding 72,741,380?

The factors of the number 72,741,380 are: 1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 2063, 3526, 4126, 7052, 8252, 8815, 10315, 17630, 20630, 35260, 41260, 84583, 88709, 169166, 177418, 338332, 354836, 422915, 443545, 845830, 887090, 1691660, 1774180, 3637069, 7274138, 14548276, 18185345, 36370690, 72741380.

If you add them up, you will get the total of 72,741,467. Now subtract 72,741,380 to get 87,458,044


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