100200280

素因数分解:

$2^3\times 5^1\times {\mathrm{2505007}}^1$

素因数の和:2505018

約数の個数: 16

約数和(自身を含む): 225450720

約数和(自身を除く): 125250440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2505007, 5010014, 10020028, 12525035, 20040056, 25050070, 50100140, 100200280]

約数ペア:

[(1, 100200280), (2, 50100140), (4, 25050070), (5, 20040056), (8, 12525035), (10, 10020028), (20, 5010014), (40, 2505007)]