72639820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10651}}^1$

素因数の和:10702

約数の個数: 48

約数和(自身を含む): 171795456

約数和(自身を除く): 99155636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 6820, 10651, 21302, 42604, 53255, 106510, 117161, 213020, 234322, 330181, 468644, 585805, 660362, 1171610, 1320724, 1650905, 2343220, 3301810, 3631991, 6603620, 7263982, 14527964, 18159955, 36319910, 72639820]

約数ペア:

[(1, 72639820), (2, 36319910), (4, 18159955), (5, 14527964), (10, 7263982), (11, 6603620), (20, 3631991), (22, 3301810), (31, 2343220), (44, 1650905), (55, 1320724), (62, 1171610), (110, 660362), (124, 585805), (155, 468644), (220, 330181), (310, 234322), (341, 213020), (620, 117161), (682, 106510), (1364, 53255), (1705, 42604), (3410, 21302), (6820, 10651)]