56398900

素因数分解:

$2^2\times 5^2\times {\mathrm{359}}^1\times {\mathrm{1571}}^1$

素因数の和:1944

約数の個数: 36

約数和(自身を含む): 122804640

約数和(自身を除く): 66405740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 359, 718, 1436, 1571, 1795, 3142, 3590, 6284, 7180, 7855, 8975, 15710, 17950, 31420, 35900, 39275, 78550, 157100, 563989, 1127978, 2255956, 2819945, 5639890, 11279780, 14099725, 28199450, 56398900]

約数ペア:

[(1, 56398900), (2, 28199450), (4, 14099725), (5, 11279780), (10, 5639890), (20, 2819945), (25, 2255956), (50, 1127978), (100, 563989), (359, 157100), (718, 78550), (1436, 39275), (1571, 35900), (1795, 31420), (3142, 17950), (3590, 15710), (6284, 8975), (7180, 7855)]