7989340

素因数分解:

$2^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2207}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 16877952

約数和(自身を除く): 8888612

約数列:

[1, 2, 4, 5, 10, 20, 181, 362, 724, 905, 1810, 2207, 3620, 4414, 8828, 11035, 22070, 44140, 399467, 798934, 1597868, 1997335, 3994670, 7989340]

約数ペア:

[(1, 7989340), (2, 3994670), (4, 1997335), (5, 1597868), (10, 798934), (20, 399467), (181, 44140), (362, 22070), (724, 11035), (905, 8828), (1810, 4414), (2207, 3620)]