65287640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{148381}}^1$

素因数の和:148403

約数の個数: 32

約数和(自身を含む): 160252560

約数和(自身を除く): 94964920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 148381, 296762, 593524, 741905, 1187048, 1483810, 1632191, 2967620, 3264382, 5935240, 6528764, 8160955, 13057528, 16321910, 32643820, 65287640]

約数ペア:

[(1, 65287640), (2, 32643820), (4, 16321910), (5, 13057528), (8, 8160955), (10, 6528764), (11, 5935240), (20, 3264382), (22, 2967620), (40, 1632191), (44, 1483810), (55, 1187048), (88, 741905), (110, 593524), (220, 296762), (440, 148381)]