2080266040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1209457}}^1$

素因数の和:1209511

約数の個数: 32

約数和(自身を含む): 4789453680

約数和(自身を除く): 2709187640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1209457, 2418914, 4837828, 6047285, 9675656, 12094570, 24189140, 48378280, 52006651, 104013302, 208026604, 260033255, 416053208, 520066510, 1040133020, 2080266040]

約数ペア:

[(1, 2080266040), (2, 1040133020), (4, 520066510), (5, 416053208), (8, 260033255), (10, 208026604), (20, 104013302), (40, 52006651), (43, 48378280), (86, 24189140), (172, 12094570), (215, 9675656), (344, 6047285), (430, 4837828), (860, 2418914), (1720, 1209457)]