89500520

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{19801}}^1$

素因数の和:19925

約数の個数: 32

約数和(自身を含む): 203168520

約数和(自身を除く): 113668000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 19801, 39602, 79204, 99005, 158408, 198010, 396020, 792040, 2237513, 4475026, 8950052, 11187565, 17900104, 22375130, 44750260, 89500520]

約数ペア:

[(1, 89500520), (2, 44750260), (4, 22375130), (5, 17900104), (8, 11187565), (10, 8950052), (20, 4475026), (40, 2237513), (113, 792040), (226, 396020), (452, 198010), (565, 158408), (904, 99005), (1130, 79204), (2260, 39602), (4520, 19801)]