80293640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{286763}}^1$

素因数の和:286781

約数の個数: 32

約数和(自身を含む): 206470080

約数和(自身を除く): 126176440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 286763, 573526, 1147052, 1433815, 2007341, 2294104, 2867630, 4014682, 5735260, 8029364, 10036705, 11470520, 16058728, 20073410, 40146820, 80293640]

約数ペア:

[(1, 80293640), (2, 40146820), (4, 20073410), (5, 16058728), (7, 11470520), (8, 10036705), (10, 8029364), (14, 5735260), (20, 4014682), (28, 2867630), (35, 2294104), (40, 2007341), (56, 1433815), (70, 1147052), (140, 573526), (280, 286763)]