8765980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10193}}^1$

素因数の和:10245

約数の個数: 24

約数和(自身を含む): 18838512

約数和(自身を除く): 10072532

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10193, 20386, 40772, 50965, 101930, 203860, 438299, 876598, 1753196, 2191495, 4382990, 8765980]

約数ペア:

[(1, 8765980), (2, 4382990), (4, 2191495), (5, 1753196), (10, 876598), (20, 438299), (43, 203860), (86, 101930), (172, 50965), (215, 40772), (430, 20386), (860, 10193)]