68330440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39727}}^1$

素因数の和:39781

約数の個数: 32

約数和(自身を含む): 157322880

約数和(自身を除く): 88992440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 39727, 79454, 158908, 198635, 317816, 397270, 794540, 1589080, 1708261, 3416522, 6833044, 8541305, 13666088, 17082610, 34165220, 68330440]

約数ペア:

[(1, 68330440), (2, 34165220), (4, 17082610), (5, 13666088), (8, 8541305), (10, 6833044), (20, 3416522), (40, 1708261), (43, 1589080), (86, 794540), (172, 397270), (215, 317816), (344, 198635), (430, 158908), (860, 79454), (1720, 39727)]