56621480

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3943}}^1$

素因数の和:4313

約数の個数: 32

約数和(自身を含む): 127785600

約数和(自身を除く): 71164120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1436, 1795, 2872, 3590, 3943, 7180, 7886, 14360, 15772, 19715, 31544, 39430, 78860, 157720, 1415537, 2831074, 5662148, 7077685, 11324296, 14155370, 28310740, 56621480]

約数ペア:

[(1, 56621480), (2, 28310740), (4, 14155370), (5, 11324296), (8, 7077685), (10, 5662148), (20, 2831074), (40, 1415537), (359, 157720), (718, 78860), (1436, 39430), (1795, 31544), (2872, 19715), (3590, 15772), (3943, 14360), (7180, 7886)]