3888140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 8301552

約数和(自身を除く): 4413412

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3187, 6374, 12748, 15935, 31870, 63740, 194407, 388814, 777628, 972035, 1944070, 3888140]

約数ペア:

[(1, 3888140), (2, 1944070), (4, 972035), (5, 777628), (10, 388814), (20, 194407), (61, 63740), (122, 31870), (244, 15935), (305, 12748), (610, 6374), (1220, 3187)]