162520180

素因数分解:

$2^2\times 5^1\times {\mathrm{8126009}}^1$

素因数の和:8126018

約数の個数: 12

約数和(自身を含む): 341292420

約数和(自身を除く): 178772240

約数列:

[1, 2, 4, 5, 10, 20, 8126009, 16252018, 32504036, 40630045, 81260090, 162520180]

約数ペア:

[(1, 162520180), (2, 81260090), (4, 40630045), (5, 32504036), (10, 16252018), (20, 8126009)]