31191340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{36269}}^1$

素因数の和:36321

約数の個数: 24

約数和(自身を含む): 67026960

約数和(自身を除く): 35835620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 36269, 72538, 145076, 181345, 362690, 725380, 1559567, 3119134, 6238268, 7797835, 15595670, 31191340]

約数ペア:

[(1, 31191340), (2, 15595670), (4, 7797835), (5, 6238268), (10, 3119134), (20, 1559567), (43, 725380), (86, 362690), (172, 181345), (215, 145076), (430, 72538), (860, 36269)]