8867920

素因数分解:

$2^4\times 5^1\times {\mathrm{110849}}^1$

素因数の和:110862

約数の個数: 20

約数和(自身を含む): 20618100

約数和(自身を除く): 11750180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 110849, 221698, 443396, 554245, 886792, 1108490, 1773584, 2216980, 4433960, 8867920]

約数ペア:

[(1, 8867920), (2, 4433960), (4, 2216980), (5, 1773584), (8, 1108490), (10, 886792), (16, 554245), (20, 443396), (40, 221698), (80, 110849)]