13131340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15269}}^1$

素因数の和:15321

約数の個数: 24

約数和(自身を含む): 28218960

約数和(自身を除く): 15087620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15269, 30538, 61076, 76345, 152690, 305380, 656567, 1313134, 2626268, 3282835, 6565670, 13131340]

約数ペア:

[(1, 13131340), (2, 6565670), (4, 3282835), (5, 2626268), (10, 1313134), (20, 656567), (43, 305380), (86, 152690), (172, 76345), (215, 61076), (430, 30538), (860, 15269)]