65380180

素因数分解:

$2^2\times 5^1\times {\mathrm{3269009}}^1$

素因数の和:3269018

約数の個数: 12

約数和(自身を含む): 137298420

約数和(自身を除く): 71918240

約数列:

[1, 2, 4, 5, 10, 20, 3269009, 6538018, 13076036, 16345045, 32690090, 65380180]

約数ペア:

[(1, 65380180), (2, 32690090), (4, 16345045), (5, 13076036), (10, 6538018), (20, 3269009)]