57156440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129901}}^1$

素因数の和:129923

約数の個数: 32

約数和(自身を含む): 140294160

約数和(自身を除く): 83137720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 129901, 259802, 519604, 649505, 1039208, 1299010, 1428911, 2598020, 2857822, 5196040, 5715644, 7144555, 11431288, 14289110, 28578220, 57156440]

約数ペア:

[(1, 57156440), (2, 28578220), (4, 14289110), (5, 11431288), (8, 7144555), (10, 5715644), (11, 5196040), (20, 2857822), (22, 2598020), (40, 1428911), (44, 1299010), (55, 1039208), (88, 649505), (110, 519604), (220, 259802), (440, 129901)]