64359740

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{4657}}^1$

素因数の和:5357

約数の個数: 24

約数和(自身を含む): 135380112

約数和(自身を除く): 71020372

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 4657, 6910, 9314, 13820, 18628, 23285, 46570, 93140, 3217987, 6435974, 12871948, 16089935, 32179870, 64359740]

約数ペア:

[(1, 64359740), (2, 32179870), (4, 16089935), (5, 12871948), (10, 6435974), (20, 3217987), (691, 93140), (1382, 46570), (2764, 23285), (3455, 18628), (4657, 13820), (6910, 9314)]