68711080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{41897}}^1$

素因数の和:41949

約数の個数: 32

約数和(自身を含む): 158374440

約数和(自身を除く): 89663360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 41897, 83794, 167588, 209485, 335176, 418970, 837940, 1675880, 1717777, 3435554, 6871108, 8588885, 13742216, 17177770, 34355540, 68711080]

約数ペア:

[(1, 68711080), (2, 34355540), (4, 17177770), (5, 13742216), (8, 8588885), (10, 6871108), (20, 3435554), (40, 1717777), (41, 1675880), (82, 837940), (164, 418970), (205, 335176), (328, 209485), (410, 167588), (820, 83794), (1640, 41897)]