90751240

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{22027}}^1$

素因数の和:22141

約数の個数: 32

約数和(自身を含む): 206182080

約数和(自身を除く): 115430840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 22027, 44054, 88108, 110135, 176216, 220270, 440540, 881080, 2268781, 4537562, 9075124, 11343905, 18150248, 22687810, 45375620, 90751240]

約数ペア:

[(1, 90751240), (2, 45375620), (4, 22687810), (5, 18150248), (8, 11343905), (10, 9075124), (20, 4537562), (40, 2268781), (103, 881080), (206, 440540), (412, 220270), (515, 176216), (824, 110135), (1030, 88108), (2060, 44054), (4120, 22027)]