85782680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{126151}}^1$

素因数の和:126179

約数の個数: 32

約数和(自身を含む): 204366240

約数和(自身を除く): 118583560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 126151, 252302, 504604, 630755, 1009208, 1261510, 2144567, 2523020, 4289134, 5046040, 8578268, 10722835, 17156536, 21445670, 42891340, 85782680]

約数ペア:

[(1, 85782680), (2, 42891340), (4, 21445670), (5, 17156536), (8, 10722835), (10, 8578268), (17, 5046040), (20, 4289134), (34, 2523020), (40, 2144567), (68, 1261510), (85, 1009208), (136, 630755), (170, 504604), (340, 252302), (680, 126151)]