205125980

素因数分解:

$2^2\times 5^1\times {\mathrm{2903}}^1\times {\mathrm{3533}}^1$

素因数の和:6445

約数の個数: 24

約数和(自身を含む): 431034912

約数和(自身を除く): 225908932

約数列:

[1, 2, 4, 5, 10, 20, 2903, 3533, 5806, 7066, 11612, 14132, 14515, 17665, 29030, 35330, 58060, 70660, 10256299, 20512598, 41025196, 51281495, 102562990, 205125980]

約数ペア:

[(1, 205125980), (2, 102562990), (4, 51281495), (5, 41025196), (10, 20512598), (20, 10256299), (2903, 70660), (3533, 58060), (5806, 35330), (7066, 29030), (11612, 17665), (14132, 14515)]