8422520

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1091}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 19066320

約数和(自身を除く): 10643800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1091, 1544, 1930, 2182, 3860, 4364, 5455, 7720, 8728, 10910, 21820, 43640, 210563, 421126, 842252, 1052815, 1684504, 2105630, 4211260, 8422520]

約数ペア:

[(1, 8422520), (2, 4211260), (4, 2105630), (5, 1684504), (8, 1052815), (10, 842252), (20, 421126), (40, 210563), (193, 43640), (386, 21820), (772, 10910), (965, 8728), (1091, 7720), (1544, 5455), (1930, 4364), (2182, 3860)]