39866740

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5021}}^1$

素因数の和:5427

約数の個数: 24

約数和(自身を含む): 83947752

約数和(自身を除く): 44081012

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 5021, 7940, 10042, 20084, 25105, 50210, 100420, 1993337, 3986674, 7973348, 9966685, 19933370, 39866740]

約数ペア:

[(1, 39866740), (2, 19933370), (4, 9966685), (5, 7973348), (10, 3986674), (20, 1993337), (397, 100420), (794, 50210), (1588, 25105), (1985, 20084), (3970, 10042), (5021, 7940)]