31656140

素因数分解:

$2^2\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1489}}^1$

素因数の和:2561

約数の個数: 24

約数和(自身を含む): 66585120

約数和(自身を除く): 34928980

約数列:

[1, 2, 4, 5, 10, 20, 1063, 1489, 2126, 2978, 4252, 5315, 5956, 7445, 10630, 14890, 21260, 29780, 1582807, 3165614, 6331228, 7914035, 15828070, 31656140]

約数ペア:

[(1, 31656140), (2, 15828070), (4, 7914035), (5, 6331228), (10, 3165614), (20, 1582807), (1063, 29780), (1489, 21260), (2126, 14890), (2978, 10630), (4252, 7445), (5315, 5956)]