16382140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 36

約数和(自身を含む): 35300664

約数和(自身を除く): 18918524

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 443, 860, 886, 1772, 1849, 2215, 3698, 4430, 7396, 8860, 9245, 18490, 19049, 36980, 38098, 76196, 95245, 190490, 380980, 819107, 1638214, 3276428, 4095535, 8191070, 16382140]

約数ペア:

[(1, 16382140), (2, 8191070), (4, 4095535), (5, 3276428), (10, 1638214), (20, 819107), (43, 380980), (86, 190490), (172, 95245), (215, 76196), (430, 38098), (443, 36980), (860, 19049), (886, 18490), (1772, 9245), (1849, 8860), (2215, 7396), (3698, 4430)]