164039240

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{77377}}^1$

素因数の和:77441

約数の個数: 32

約数和(自身を含む): 376057080

約数和(自身を除く): 212017840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 77377, 154754, 309508, 386885, 619016, 773770, 1547540, 3095080, 4100981, 8201962, 16403924, 20504905, 32807848, 41009810, 82019620, 164039240]

約数ペア:

[(1, 164039240), (2, 82019620), (4, 41009810), (5, 32807848), (8, 20504905), (10, 16403924), (20, 8201962), (40, 4100981), (53, 3095080), (106, 1547540), (212, 773770), (265, 619016), (424, 386885), (530, 309508), (1060, 154754), (2120, 77377)]