15291140

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3881}}^1$

素因数の和:4087

約数の個数: 24

約数和(自身を含む): 32282712

約数和(自身を除く): 16991572

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3881, 3940, 7762, 15524, 19405, 38810, 77620, 764557, 1529114, 3058228, 3822785, 7645570, 15291140]

約数ペア:

[(1, 15291140), (2, 7645570), (4, 3822785), (5, 3058228), (10, 1529114), (20, 764557), (197, 77620), (394, 38810), (788, 19405), (985, 15524), (1970, 7762), (3881, 3940)]