80043740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571741}}^1$

素因数の和:571757

約数の個数: 24

約数和(自身を含む): 192105312

約数和(自身を除く): 112061572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571741, 1143482, 2286964, 2858705, 4002187, 5717410, 8004374, 11434820, 16008748, 20010935, 40021870, 80043740]

約数ペア:

[(1, 80043740), (2, 40021870), (4, 20010935), (5, 16008748), (7, 11434820), (10, 8004374), (14, 5717410), (20, 4002187), (28, 2858705), (35, 2286964), (70, 1143482), (140, 571741)]