39787340

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{5011}}^1$

素因数の和:5417

約数の個数: 24

約数和(自身を含む): 83780592

約数和(自身を除く): 43993252

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 5011, 7940, 10022, 20044, 25055, 50110, 100220, 1989367, 3978734, 7957468, 9946835, 19893670, 39787340]

約数ペア:

[(1, 39787340), (2, 19893670), (4, 9946835), (5, 7957468), (10, 3978734), (20, 1989367), (397, 100220), (794, 50110), (1588, 25055), (1985, 20044), (3970, 10022), (5011, 7940)]