2016017840

素因数分解:

$2^4\times 5^1\times {\mathrm{25200223}}^1$

素因数の和:25200236

約数の個数: 20

約数和(自身を含む): 4687241664

約数和(自身を除く): 2671223824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25200223, 50400446, 100800892, 126001115, 201601784, 252002230, 403203568, 504004460, 1008008920, 2016017840]

約数ペア:

[(1, 2016017840), (2, 1008008920), (4, 504004460), (5, 403203568), (8, 252002230), (10, 201601784), (16, 126001115), (20, 100800892), (40, 50400446), (80, 25200223)]