860180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1099

約数の個数: 24

約数和(自身を含む): 1852200

約数和(自身を除く): 992020

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1049, 2098, 4196, 5245, 10490, 20980, 43009, 86018, 172036, 215045, 430090, 860180]

約数ペア:

[(1, 860180), (2, 430090), (4, 215045), (5, 172036), (10, 86018), (20, 43009), (41, 20980), (82, 10490), (164, 5245), (205, 4196), (410, 2098), (820, 1049)]