51279560

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3571}}^1$

素因数の和:3941

約数の個数: 32

約数和(自身を含む): 115732800

約数和(自身を除く): 64453240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3571, 3590, 7142, 7180, 14284, 14360, 17855, 28568, 35710, 71420, 142840, 1281989, 2563978, 5127956, 6409945, 10255912, 12819890, 25639780, 51279560]

約数ペア:

[(1, 51279560), (2, 25639780), (4, 12819890), (5, 10255912), (8, 6409945), (10, 5127956), (20, 2563978), (40, 1281989), (359, 142840), (718, 71420), (1436, 35710), (1795, 28568), (2872, 17855), (3571, 14360), (3590, 14284), (7142, 7180)]