13358680

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 30176640

約数和(自身を除く): 16817960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 991, 1348, 1685, 1982, 2696, 3370, 3964, 4955, 6740, 7928, 9910, 13480, 19820, 39640, 333967, 667934, 1335868, 1669835, 2671736, 3339670, 6679340, 13358680]

約数ペア:

[(1, 13358680), (2, 6679340), (4, 3339670), (5, 2671736), (8, 1669835), (10, 1335868), (20, 667934), (40, 333967), (337, 39640), (674, 19820), (991, 13480), (1348, 9910), (1685, 7928), (1982, 6740), (2696, 4955), (3370, 3964)]