889346960

素因数分解:

$2^4\times 5^1\times {\mathrm{11116837}}^1$

素因数の和:11116850

約数の個数: 20

約数和(自身を含む): 2067731868

約数和(自身を除く): 1178384908

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11116837, 22233674, 44467348, 55584185, 88934696, 111168370, 177869392, 222336740, 444673480, 889346960]

約数ペア:

[(1, 889346960), (2, 444673480), (4, 222336740), (5, 177869392), (8, 111168370), (10, 88934696), (16, 55584185), (20, 44467348), (40, 22233674), (80, 11116837)]