56657980

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9109}}^1$

素因数の和:9429

約数の個数: 24

約数和(自身を含む): 119377440

約数和(自身を除く): 62719460

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 9109, 18218, 36436, 45545, 91090, 182180, 2832899, 5665798, 11331596, 14164495, 28328990, 56657980]

約数ペア:

[(1, 56657980), (2, 28328990), (4, 14164495), (5, 11331596), (10, 5665798), (20, 2832899), (311, 182180), (622, 91090), (1244, 45545), (1555, 36436), (3110, 18218), (6220, 9109)]