88661480

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2113}}^1$

素因数の和:3173

約数の個数: 32

約数和(自身を含む): 199773000

約数和(自身を除く): 111111520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2098, 2113, 4196, 4226, 5245, 8392, 8452, 10490, 10565, 16904, 20980, 21130, 41960, 42260, 84520, 2216537, 4433074, 8866148, 11082685, 17732296, 22165370, 44330740, 88661480]

約数ペア:

[(1, 88661480), (2, 44330740), (4, 22165370), (5, 17732296), (8, 11082685), (10, 8866148), (20, 4433074), (40, 2216537), (1049, 84520), (2098, 42260), (2113, 41960), (4196, 21130), (4226, 20980), (5245, 16904), (8392, 10565), (8452, 10490)]