36400180

素因数分解:

$2^2\times 5^1\times {\mathrm{1820009}}^1$

素因数の和:1820018

約数の個数: 12

約数和(自身を含む): 76440420

約数和(自身を除く): 40040240

約数列:

[1, 2, 4, 5, 10, 20, 1820009, 3640018, 7280036, 9100045, 18200090, 36400180]

約数ペア:

[(1, 36400180), (2, 18200090), (4, 9100045), (5, 7280036), (10, 3640018), (20, 1820009)]