85388900

素因数分解:

$2^2\times 5^2\times {\mathrm{853889}}^1$

素因数の和:853903

約数の個数: 18

約数和(自身を含む): 185294130

約数和(自身を除く): 99905230

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 853889, 1707778, 3415556, 4269445, 8538890, 17077780, 21347225, 42694450, 85388900]

約数ペア:

[(1, 85388900), (2, 42694450), (4, 21347225), (5, 17077780), (10, 8538890), (20, 4269445), (25, 3415556), (50, 1707778), (100, 853889)]