66717640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151631}}^1$

素因数の和:151653

約数の個数: 32

約数和(自身を含む): 163762560

約数和(自身を除く): 97044920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 151631, 303262, 606524, 758155, 1213048, 1516310, 1667941, 3032620, 3335882, 6065240, 6671764, 8339705, 13343528, 16679410, 33358820, 66717640]

約数ペア:

[(1, 66717640), (2, 33358820), (4, 16679410), (5, 13343528), (8, 8339705), (10, 6671764), (11, 6065240), (20, 3335882), (22, 3032620), (40, 1667941), (44, 1516310), (55, 1213048), (88, 758155), (110, 606524), (220, 303262), (440, 151631)]