7774142120

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1398227}}^1$

素因数の和:1398377

約数の個数: 32

約数和(自身を含む): 17617672800

約数和(自身を除く): 9843530680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 1398227, 2796454, 5592908, 6991135, 11185816, 13982270, 27964540, 55929080, 194353553, 388707106, 777414212, 971767765, 1554828424, 1943535530, 3887071060, 7774142120]

約数ペア:

[(1, 7774142120), (2, 3887071060), (4, 1943535530), (5, 1554828424), (8, 971767765), (10, 777414212), (20, 388707106), (40, 194353553), (139, 55929080), (278, 27964540), (556, 13982270), (695, 11185816), (1112, 6991135), (1390, 5592908), (2780, 2796454), (5560, 1398227)]