9972622460

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1219147}}^1$

素因数の和:1219565

約数の個数: 24

約数和(自身を含む): 20993728560

約数和(自身を除く): 11021106100

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 1219147, 2438294, 4876588, 6095735, 12191470, 24382940, 498631123, 997262246, 1994524492, 2493155615, 4986311230, 9972622460]

約数ペア:

[(1, 9972622460), (2, 4986311230), (4, 2493155615), (5, 1994524492), (10, 997262246), (20, 498631123), (409, 24382940), (818, 12191470), (1636, 6095735), (2045, 4876588), (4090, 2438294), (8180, 1219147)]