40804900

素因数分解:

$2^2\times 5^2\times {\mathrm{408049}}^1$

素因数の和:408063

約数の個数: 18

約数和(自身を含む): 88546850

約数和(自身を除く): 47741950

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 408049, 816098, 1632196, 2040245, 4080490, 8160980, 10201225, 20402450, 40804900]

約数ペア:

[(1, 40804900), (2, 20402450), (4, 10201225), (5, 8160980), (10, 4080490), (20, 2040245), (25, 1632196), (50, 816098), (100, 408049)]