8104900

素因数分解:

$2^2\times 5^2\times {\mathrm{81049}}^1$

素因数の和:81063

約数の個数: 18

約数和(自身を含む): 17587850

約数和(自身を除く): 9482950

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 81049, 162098, 324196, 405245, 810490, 1620980, 2026225, 4052450, 8104900]

約数ペア:

[(1, 8104900), (2, 4052450), (4, 2026225), (5, 1620980), (10, 810490), (20, 405245), (25, 324196), (50, 162098), (100, 81049)]