905840620

素因数分解:

$2^2\times 5^1\times {\mathrm{45292031}}^1$

素因数の和:45292040

約数の個数: 12

約数和(自身を含む): 1902265344

約数和(自身を除く): 996424724

約数列:

[1, 2, 4, 5, 10, 20, 45292031, 90584062, 181168124, 226460155, 452920310, 905840620]

約数ペア:

[(1, 905840620), (2, 452920310), (4, 226460155), (5, 181168124), (10, 90584062), (20, 45292031)]