20164028560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{22571}}^1$

素因数の和:23456

約数の個数: 80

約数和(自身を含む): 50548639680

約数和(自身を除く): 30384611120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 859, 1040, 1718, 3436, 4295, 6872, 8590, 11167, 13744, 17180, 22334, 22571, 34360, 44668, 45142, 55835, 68720, 89336, 90284, 111670, 112855, 178672, 180568, 223340, 225710, 293423, 361136, 446680, 451420, 586846, 893360, 902840, 1173692, 1467115, 1805680, 2347384, 2934230, 4694768, 5868460, 11736920, 19388489, 23473840, 38776978, 77553956, 96942445, 155107912, 193884890, 252050357, 310215824, 387769780, 504100714, 775539560, 1008201428, 1260251785, 1551079120, 2016402856, 2520503570, 4032805712, 5041007140, 10082014280, 20164028560]

約数ペア:

[(1, 20164028560), (2, 10082014280), (4, 5041007140), (5, 4032805712), (8, 2520503570), (10, 2016402856), (13, 1551079120), (16, 1260251785), (20, 1008201428), (26, 775539560), (40, 504100714), (52, 387769780), (65, 310215824), (80, 252050357), (104, 193884890), (130, 155107912), (208, 96942445), (260, 77553956), (520, 38776978), (859, 23473840), (1040, 19388489), (1718, 11736920), (3436, 5868460), (4295, 4694768), (6872, 2934230), (8590, 2347384), (11167, 1805680), (13744, 1467115), (17180, 1173692), (22334, 902840), (22571, 893360), (34360, 586846), (44668, 451420), (45142, 446680), (55835, 361136), (68720, 293423), (89336, 225710), (90284, 223340), (111670, 180568), (112855, 178672)]