13690340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15919}}^1$

素因数の和:15971

約数の個数: 24

約数和(自身を含む): 29420160

約数和(自身を除く): 15729820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15919, 31838, 63676, 79595, 159190, 318380, 684517, 1369034, 2738068, 3422585, 6845170, 13690340]

約数ペア:

[(1, 13690340), (2, 6845170), (4, 3422585), (5, 2738068), (10, 1369034), (20, 684517), (43, 318380), (86, 159190), (172, 79595), (215, 63676), (430, 31838), (860, 15919)]