218804530180

素因数分解:

$2^2\times 5^1\times {\mathrm{1307}}^1\times {\mathrm{8370487}}^1$

素因数の和:8371803

約数の個数: 24

約数和(自身を含む): 459841128768

約数和(自身を除く): 241036598588

約数列:

[1, 2, 4, 5, 10, 20, 1307, 2614, 5228, 6535, 13070, 26140, 8370487, 16740974, 33481948, 41852435, 83704870, 167409740, 10940226509, 21880453018, 43760906036, 54701132545, 109402265090, 218804530180]

約数ペア:

[(1, 218804530180), (2, 109402265090), (4, 54701132545), (5, 43760906036), (10, 21880453018), (20, 10940226509), (1307, 167409740), (2614, 83704870), (5228, 41852435), (6535, 33481948), (13070, 16740974), (26140, 8370487)]