131408360

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{9151}}^1$

素因数の和:9521

約数の個数: 32

約数和(自身を含む): 296524800

約数和(自身を除く): 165116440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 7180, 9151, 14360, 18302, 36604, 45755, 73208, 91510, 183020, 366040, 3285209, 6570418, 13140836, 16426045, 26281672, 32852090, 65704180, 131408360]

約数ペア:

[(1, 131408360), (2, 65704180), (4, 32852090), (5, 26281672), (8, 16426045), (10, 13140836), (20, 6570418), (40, 3285209), (359, 366040), (718, 183020), (1436, 91510), (1795, 73208), (2872, 45755), (3590, 36604), (7180, 18302), (9151, 14360)]