11491640

素因数分解:

$2^3\times 5^1\times {\mathrm{287291}}^1$

素因数の和:287302

約数の個数: 16

約数和(自身を含む): 25856280

約数和(自身を除く): 14364640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 287291, 574582, 1149164, 1436455, 2298328, 2872910, 5745820, 11491640]

約数ペア:

[(1, 11491640), (2, 5745820), (4, 2872910), (5, 2298328), (8, 1436455), (10, 1149164), (20, 574582), (40, 287291)]