85086440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21061}}^1$

素因数の和:21173

約数の個数: 32

約数和(自身を含む): 193349160

約数和(自身を除く): 108262720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 21061, 42122, 84244, 105305, 168488, 210610, 421220, 842440, 2127161, 4254322, 8508644, 10635805, 17017288, 21271610, 42543220, 85086440]

約数ペア:

[(1, 85086440), (2, 42543220), (4, 21271610), (5, 17017288), (8, 10635805), (10, 8508644), (20, 4254322), (40, 2127161), (101, 842440), (202, 421220), (404, 210610), (505, 168488), (808, 105305), (1010, 84244), (2020, 42122), (4040, 21061)]