804978920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{468011}}^1$

素因数の和:468065

約数の個数: 32

約数和(自身を含む): 1853327520

約数和(自身を除く): 1048348600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 468011, 936022, 1872044, 2340055, 3744088, 4680110, 9360220, 18720440, 20124473, 40248946, 80497892, 100622365, 160995784, 201244730, 402489460, 804978920]

約数ペア:

[(1, 804978920), (2, 402489460), (4, 201244730), (5, 160995784), (8, 100622365), (10, 80497892), (20, 40248946), (40, 20124473), (43, 18720440), (86, 9360220), (172, 4680110), (215, 3744088), (344, 2340055), (430, 1872044), (860, 936022), (1720, 468011)]