131054540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{152389}}^1$

素因数の和:152441

約数の個数: 24

約数和(自身を含む): 281616720

約数和(自身を除く): 150562180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 152389, 304778, 609556, 761945, 1523890, 3047780, 6552727, 13105454, 26210908, 32763635, 65527270, 131054540]

約数ペア:

[(1, 131054540), (2, 65527270), (4, 32763635), (5, 26210908), (10, 13105454), (20, 6552727), (43, 3047780), (86, 1523890), (172, 761945), (215, 609556), (430, 304778), (860, 152389)]