55090900

素因数分解:

$2^2\times 5^2\times {\mathrm{550909}}^1$

素因数の和:550923

約数の個数: 18

約数和(自身を含む): 119547470

約数和(自身を除く): 64456570

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 550909, 1101818, 2203636, 2754545, 5509090, 11018180, 13772725, 27545450, 55090900]

約数ペア:

[(1, 55090900), (2, 27545450), (4, 13772725), (5, 11018180), (10, 5509090), (20, 2754545), (25, 2203636), (50, 1101818), (100, 550909)]