2080490900

素因数分解:

$2^2\times 5^2\times {\mathrm{20804909}}^1$

素因数の和:20804923

約数の個数: 18

約数和(自身を含む): 4514665470

約数和(自身を除く): 2434174570

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20804909, 41609818, 83219636, 104024545, 208049090, 416098180, 520122725, 1040245450, 2080490900]

約数ペア:

[(1, 2080490900), (2, 1040245450), (4, 520122725), (5, 416098180), (10, 208049090), (20, 104024545), (25, 83219636), (50, 41609818), (100, 20804909)]