80257780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{93323}}^1$

素因数の和:93375

約数の個数: 24

約数和(自身を含む): 172462752

約数和(自身を除く): 92204972

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 93323, 186646, 373292, 466615, 933230, 1866460, 4012889, 8025778, 16051556, 20064445, 40128890, 80257780]

約数ペア:

[(1, 80257780), (2, 40128890), (4, 20064445), (5, 16051556), (10, 8025778), (20, 4012889), (43, 1866460), (86, 933230), (172, 466615), (215, 373292), (430, 186646), (860, 93323)]