40320674

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1\times {\mathrm{997}}^1$

素因数の和:1349

約数の個数: 16

約数和(自身を含む): 61592568

約数和(自身を除く): 21271894

約数列:

[1, 2, 73, 146, 277, 554, 997, 1994, 20221, 40442, 72781, 145562, 276169, 552338, 20160337, 40320674]

約数ペア:

[(1, 40320674), (2, 20160337), (73, 552338), (146, 276169), (277, 145562), (554, 72781), (997, 40442), (1994, 20221)]