80642660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576019}}^1$

素因数の和:576035

約数の個数: 24

約数和(自身を含む): 193542720

約数和(自身を除く): 112900060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576019, 1152038, 2304076, 2880095, 4032133, 5760190, 8064266, 11520380, 16128532, 20160665, 40321330, 80642660]

約数ペア:

[(1, 80642660), (2, 40321330), (4, 20160665), (5, 16128532), (7, 11520380), (10, 8064266), (14, 5760190), (20, 4032133), (28, 2880095), (35, 2304076), (70, 1152038), (140, 576019)]