40188220

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{5011}}^1$

素因数の和:5421

約数の個数: 24

約数和(自身を含む): 84622608

約数和(自身を除く): 44434388

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 4010, 5011, 8020, 10022, 20044, 25055, 50110, 100220, 2009411, 4018822, 8037644, 10047055, 20094110, 40188220]

約数ペア:

[(1, 40188220), (2, 20094110), (4, 10047055), (5, 8037644), (10, 4018822), (20, 2009411), (401, 100220), (802, 50110), (1604, 25055), (2005, 20044), (4010, 10022), (5011, 8020)]