81701110

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2239}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 152409600

約数和(自身を除く): 70708490

約数列:

[1, 2, 5, 10, 41, 82, 89, 178, 205, 410, 445, 890, 2239, 3649, 4478, 7298, 11195, 18245, 22390, 36490, 91799, 183598, 199271, 398542, 458995, 917990, 996355, 1992710, 8170111, 16340222, 40850555, 81701110]

約数ペア:

[(1, 81701110), (2, 40850555), (5, 16340222), (10, 8170111), (41, 1992710), (82, 996355), (89, 917990), (178, 458995), (205, 398542), (410, 199271), (445, 183598), (890, 91799), (2239, 36490), (3649, 22390), (4478, 18245), (7298, 11195)]