39408220

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{1543}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 82875744

約数和(自身を除く): 43467524

約数列:

[1, 2, 4, 5, 10, 20, 1277, 1543, 2554, 3086, 5108, 6172, 6385, 7715, 12770, 15430, 25540, 30860, 1970411, 3940822, 7881644, 9852055, 19704110, 39408220]

約数ペア:

[(1, 39408220), (2, 19704110), (4, 9852055), (5, 7881644), (10, 3940822), (20, 1970411), (1277, 30860), (1543, 25540), (2554, 15430), (3086, 12770), (5108, 7715), (6172, 6385)]