57489440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18911}}^1$

素因数の和:18945

約数の個数: 48

約数和(自身を含む): 142974720

約数和(自身を除く): 85485280

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, 18911, 37822, 75644, 94555, 151288, 189110, 302576, 359309, 378220, 605152, 718618, 756440, 1437236, 1512880, 1796545, 2874472, 3025760, 3593090, 5748944, 7186180, 11497888, 14372360, 28744720, 57489440]

約数ペア:

[(1, 57489440), (2, 28744720), (4, 14372360), (5, 11497888), (8, 7186180), (10, 5748944), (16, 3593090), (19, 3025760), (20, 2874472), (32, 1796545), (38, 1512880), (40, 1437236), (76, 756440), (80, 718618), (95, 605152), (152, 378220), (160, 359309), (190, 302576), (304, 189110), (380, 151288), (608, 94555), (760, 75644), (1520, 37822), (3040, 18911)]