56720090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2083}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 117037440

約数和(自身を除く): 60317350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 389, 778, 1945, 2083, 2723, 3890, 4166, 5446, 10415, 13615, 14581, 20830, 27230, 29162, 72905, 145810, 810287, 1620574, 4051435, 5672009, 8102870, 11344018, 28360045, 56720090]

約数ペア:

[(1, 56720090), (2, 28360045), (5, 11344018), (7, 8102870), (10, 5672009), (14, 4051435), (35, 1620574), (70, 810287), (389, 145810), (778, 72905), (1945, 29162), (2083, 27230), (2723, 20830), (3890, 14581), (4166, 13615), (5446, 10415)]