31387220

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{5791}}^1$

素因数の和:6071

約数の個数: 24

約数和(自身を含む): 66167808

約数和(自身を除く): 34780588

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 5791, 11582, 23164, 28955, 57910, 115820, 1569361, 3138722, 6277444, 7846805, 15693610, 31387220]

約数ペア:

[(1, 31387220), (2, 15693610), (4, 7846805), (5, 6277444), (10, 3138722), (20, 1569361), (271, 115820), (542, 57910), (1084, 28955), (1355, 23164), (2710, 11582), (5420, 5791)]