Q: What is the sum of all factors of the number 145,220 excluding 145,220?

 A: 167,764

Why is 167,764 the sum of all factors of 145,220, excluding 145,220?

The factors of the number 145,220 are: 1, 2, 4, 5, 10, 20, 53, 106, 137, 212, 265, 274, 530, 548, 685, 1060, 1370, 2740, 7261, 14522, 29044, 36305, 72610, 145220.

If you add them up, you will get the total of 145,387. Now subtract 145,220 to get 167,764


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