68393740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83407}}^1$

素因数の和:83457

約数の個数: 24

約数和(自身を含む): 147131712

約数和(自身を除く): 78737972

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 83407, 166814, 333628, 417035, 834070, 1668140, 3419687, 6839374, 13678748, 17098435, 34196870, 68393740]

約数ペア:

[(1, 68393740), (2, 34196870), (4, 17098435), (5, 13678748), (10, 6839374), (20, 3419687), (41, 1668140), (82, 834070), (164, 417035), (205, 333628), (410, 166814), (820, 83407)]