20002160

素因数分解:

$2^4\times 5^1\times {\mathrm{250027}}^1$

素因数の和:250040

約数の個数: 20

約数和(自身を含む): 46505208

約数和(自身を除く): 26503048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250027, 500054, 1000108, 1250135, 2000216, 2500270, 4000432, 5000540, 10001080, 20002160]

約数ペア:

[(1, 20002160), (2, 10001080), (4, 5000540), (5, 4000432), (8, 2500270), (10, 2000216), (16, 1250135), (20, 1000108), (40, 500054), (80, 250027)]