13639480

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1231}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 30824640

約数和(自身を除く): 17185160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1231, 1385, 2216, 2462, 2770, 4924, 5540, 6155, 9848, 11080, 12310, 24620, 49240, 340987, 681974, 1363948, 1704935, 2727896, 3409870, 6819740, 13639480]

約数ペア:

[(1, 13639480), (2, 6819740), (4, 3409870), (5, 2727896), (8, 1704935), (10, 1363948), (20, 681974), (40, 340987), (277, 49240), (554, 24620), (1108, 12310), (1231, 11080), (1385, 9848), (2216, 6155), (2462, 5540), (2770, 4924)]