39782740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{277}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 86308992

約数和(自身を除く): 46526252

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 277, 334, 430, 554, 668, 835, 860, 1108, 1385, 1670, 2770, 3340, 5540, 7181, 11911, 14362, 23822, 28724, 35905, 46259, 47644, 59555, 71810, 92518, 119110, 143620, 185036, 231295, 238220, 462590, 925180, 1989137, 3978274, 7956548, 9945685, 19891370, 39782740]

約数ペア:

[(1, 39782740), (2, 19891370), (4, 9945685), (5, 7956548), (10, 3978274), (20, 1989137), (43, 925180), (86, 462590), (167, 238220), (172, 231295), (215, 185036), (277, 143620), (334, 119110), (430, 92518), (554, 71810), (668, 59555), (835, 47644), (860, 46259), (1108, 35905), (1385, 28724), (1670, 23822), (2770, 14362), (3340, 11911), (5540, 7181)]