80840060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30391}}^1$

素因数の和:30426

約数の個数: 48

約数和(自身を含む): 204234240

約数和(自身を除く): 123394180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30391, 60782, 121564, 151955, 212737, 303910, 425474, 577429, 607820, 850948, 1063685, 1154858, 2127370, 2309716, 2887145, 4042003, 4254740, 5774290, 8084006, 11548580, 16168012, 20210015, 40420030, 80840060]

約数ペア:

[(1, 80840060), (2, 40420030), (4, 20210015), (5, 16168012), (7, 11548580), (10, 8084006), (14, 5774290), (19, 4254740), (20, 4042003), (28, 2887145), (35, 2309716), (38, 2127370), (70, 1154858), (76, 1063685), (95, 850948), (133, 607820), (140, 577429), (190, 425474), (266, 303910), (380, 212737), (532, 151955), (665, 121564), (1330, 60782), (2660, 30391)]