56909920

素因数分解:

$2^5\times 5^1\times {\mathrm{401}}^1\times {\mathrm{887}}^1$

素因数の和:1303

約数の個数: 48

約数和(自身を含む): 134936928

約数和(自身を除く): 78027008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 401, 802, 887, 1604, 1774, 2005, 3208, 3548, 4010, 4435, 6416, 7096, 8020, 8870, 12832, 14192, 16040, 17740, 28384, 32080, 35480, 64160, 70960, 141920, 355687, 711374, 1422748, 1778435, 2845496, 3556870, 5690992, 7113740, 11381984, 14227480, 28454960, 56909920]

約数ペア:

[(1, 56909920), (2, 28454960), (4, 14227480), (5, 11381984), (8, 7113740), (10, 5690992), (16, 3556870), (20, 2845496), (32, 1778435), (40, 1422748), (80, 711374), (160, 355687), (401, 141920), (802, 70960), (887, 64160), (1604, 35480), (1774, 32080), (2005, 28384), (3208, 17740), (3548, 16040), (4010, 14192), (4435, 12832), (6416, 8870), (7096, 8020)]