31502120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2089}}^1$

素因数の和:2142

約数の個数: 64

約数和(自身を含む): 79002000

約数和(自身を除く): 47499880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 2089, 3016, 3770, 4178, 7540, 8356, 10445, 15080, 16712, 20890, 27157, 41780, 54314, 60581, 83560, 108628, 121162, 135785, 217256, 242324, 271570, 302905, 484648, 543140, 605810, 787553, 1086280, 1211620, 1575106, 2423240, 3150212, 3937765, 6300424, 7875530, 15751060, 31502120]

約数ペア:

[(1, 31502120), (2, 15751060), (4, 7875530), (5, 6300424), (8, 3937765), (10, 3150212), (13, 2423240), (20, 1575106), (26, 1211620), (29, 1086280), (40, 787553), (52, 605810), (58, 543140), (65, 484648), (104, 302905), (116, 271570), (130, 242324), (145, 217256), (232, 135785), (260, 121162), (290, 108628), (377, 83560), (520, 60581), (580, 54314), (754, 41780), (1160, 27157), (1508, 20890), (1885, 16712), (2089, 15080), (3016, 10445), (3770, 8356), (4178, 7540)]