40805578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2454

約数の個数: 32

約数和(自身を含む): 72031680

約数和(自身を除く): 31226102

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1558, 2381, 4762, 8569, 17138, 26191, 45239, 52382, 90478, 97621, 195242, 497629, 995258, 1073831, 1854799, 2147662, 3709598, 20402789, 40805578]

約数ペア:

[(1, 40805578), (2, 20402789), (11, 3709598), (19, 2147662), (22, 1854799), (38, 1073831), (41, 995258), (82, 497629), (209, 195242), (418, 97621), (451, 90478), (779, 52382), (902, 45239), (1558, 26191), (2381, 17138), (4762, 8569)]