90381920

素因数分解:

$2^5\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4999}}^1$

素因数の和:5127

約数の個数: 48

約数和(自身を含む): 215460000

約数和(自身を除く): 125078080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 113, 160, 226, 452, 565, 904, 1130, 1808, 2260, 3616, 4520, 4999, 9040, 9998, 18080, 19996, 24995, 39992, 49990, 79984, 99980, 159968, 199960, 399920, 564887, 799840, 1129774, 2259548, 2824435, 4519096, 5648870, 9038192, 11297740, 18076384, 22595480, 45190960, 90381920]

約数ペア:

[(1, 90381920), (2, 45190960), (4, 22595480), (5, 18076384), (8, 11297740), (10, 9038192), (16, 5648870), (20, 4519096), (32, 2824435), (40, 2259548), (80, 1129774), (113, 799840), (160, 564887), (226, 399920), (452, 199960), (565, 159968), (904, 99980), (1130, 79984), (1808, 49990), (2260, 39992), (3616, 24995), (4520, 19996), (4999, 18080), (9040, 9998)]