204055900

素因数分解:

$2^2\times 5^2\times {\mathrm{2040559}}^1$

素因数の和:2040573

約数の個数: 18

約数和(自身を含む): 442801520

約数和(自身を除く): 238745620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2040559, 4081118, 8162236, 10202795, 20405590, 40811180, 51013975, 102027950, 204055900]

約数ペア:

[(1, 204055900), (2, 102027950), (4, 51013975), (5, 40811180), (10, 20405590), (20, 10202795), (25, 8162236), (50, 4081118), (100, 2040559)]