80213060

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4909}}^1$

素因数の和:4980

約数の個数: 48

約数和(自身を含む): 181473600

約数和(自身を除く): 101260540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 4909, 8170, 9818, 16340, 19636, 24545, 49090, 93271, 98180, 186542, 211087, 373084, 422174, 466355, 844348, 932710, 1055435, 1865420, 2110870, 4010653, 4221740, 8021306, 16042612, 20053265, 40106530, 80213060]

約数ペア:

[(1, 80213060), (2, 40106530), (4, 20053265), (5, 16042612), (10, 8021306), (19, 4221740), (20, 4010653), (38, 2110870), (43, 1865420), (76, 1055435), (86, 932710), (95, 844348), (172, 466355), (190, 422174), (215, 373084), (380, 211087), (430, 186542), (817, 98180), (860, 93271), (1634, 49090), (3268, 24545), (4085, 19636), (4909, 16340), (8170, 9818)]