13460680

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{691}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 30392640

約数和(自身を除く): 16931960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 691, 974, 1382, 1948, 2435, 2764, 3455, 3896, 4870, 5528, 6910, 9740, 13820, 19480, 27640, 336517, 673034, 1346068, 1682585, 2692136, 3365170, 6730340, 13460680]

約数ペア:

[(1, 13460680), (2, 6730340), (4, 3365170), (5, 2692136), (8, 1682585), (10, 1346068), (20, 673034), (40, 336517), (487, 27640), (691, 19480), (974, 13820), (1382, 9740), (1948, 6910), (2435, 5528), (2764, 4870), (3455, 3896)]