39778060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284129}}^1$

素因数の和:284145

約数の個数: 24

約数和(自身を含む): 95467680

約数和(自身を除く): 55689620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284129, 568258, 1136516, 1420645, 1988903, 2841290, 3977806, 5682580, 7955612, 9944515, 19889030, 39778060]

約数ペア:

[(1, 39778060), (2, 19889030), (4, 9944515), (5, 7955612), (7, 5682580), (10, 3977806), (14, 2841290), (20, 1988903), (28, 1420645), (35, 1136516), (70, 568258), (140, 284129)]