9949780

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1123}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 20960352

約数和(自身を除く): 11010572

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1123, 1772, 2215, 2246, 4430, 4492, 5615, 8860, 11230, 22460, 497489, 994978, 1989956, 2487445, 4974890, 9949780]

約数ペア:

[(1, 9949780), (2, 4974890), (4, 2487445), (5, 1989956), (10, 994978), (20, 497489), (443, 22460), (886, 11230), (1123, 8860), (1772, 5615), (2215, 4492), (2246, 4430)]