90947680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29917}}^1$

素因数の和:29951

約数の個数: 48

約数和(自身を含む): 226180080

約数和(自身を除く): 135232400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 29917, 59834, 119668, 149585, 239336, 299170, 478672, 568423, 598340, 957344, 1136846, 1196680, 2273692, 2393360, 2842115, 4547384, 4786720, 5684230, 9094768, 11368460, 18189536, 22736920, 45473840, 90947680]

約数ペア:

[(1, 90947680), (2, 45473840), (4, 22736920), (5, 18189536), (8, 11368460), (10, 9094768), (16, 5684230), (19, 4786720), (20, 4547384), (32, 2842115), (38, 2393360), (40, 2273692), (76, 1196680), (80, 1136846), (95, 957344), (152, 598340), (160, 568423), (190, 478672), (304, 299170), (380, 239336), (608, 149585), (760, 119668), (1520, 59834), (3040, 29917)]