2020112500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{23087}}^1$

素因数の和:23123

約数の個数: 72

約数和(自身を含む): 5050176768

約数和(自身を除く): 3030064268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1250, 1750, 2500, 3125, 3500, 4375, 6250, 8750, 12500, 17500, 21875, 23087, 43750, 46174, 87500, 92348, 115435, 161609, 230870, 323218, 461740, 577175, 646436, 808045, 1154350, 1616090, 2308700, 2885875, 3232180, 4040225, 5771750, 8080450, 11543500, 14429375, 16160900, 20201125, 28858750, 40402250, 57717500, 72146875, 80804500, 101005625, 144293750, 202011250, 288587500, 404022500, 505028125, 1010056250, 2020112500]

約数ペア:

[(1, 2020112500), (2, 1010056250), (4, 505028125), (5, 404022500), (7, 288587500), (10, 202011250), (14, 144293750), (20, 101005625), (25, 80804500), (28, 72146875), (35, 57717500), (50, 40402250), (70, 28858750), (100, 20201125), (125, 16160900), (140, 14429375), (175, 11543500), (250, 8080450), (350, 5771750), (500, 4040225), (625, 3232180), (700, 2885875), (875, 2308700), (1250, 1616090), (1750, 1154350), (2500, 808045), (3125, 646436), (3500, 577175), (4375, 461740), (6250, 323218), (8750, 230870), (12500, 161609), (17500, 115435), (21875, 92348), (23087, 87500), (43750, 46174)]