8264440

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{673}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 18683280

約数和(自身を除く): 10418840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 673, 1228, 1346, 1535, 2456, 2692, 3070, 3365, 5384, 6140, 6730, 12280, 13460, 26920, 206611, 413222, 826444, 1033055, 1652888, 2066110, 4132220, 8264440]

約数ペア:

[(1, 8264440), (2, 4132220), (4, 2066110), (5, 1652888), (8, 1033055), (10, 826444), (20, 413222), (40, 206611), (307, 26920), (614, 13460), (673, 12280), (1228, 6730), (1346, 6140), (1535, 5384), (2456, 3365), (2692, 3070)]