2016207640

素因数分解:

$2^3\times 5^1\times {\mathrm{50405191}}^1$

素因数の和:50405202

約数の個数: 16

約数和(自身を含む): 4536467280

約数和(自身を除く): 2520259640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50405191, 100810382, 201620764, 252025955, 403241528, 504051910, 1008103820, 2016207640]

約数ペア:

[(1, 2016207640), (2, 1008103820), (4, 504051910), (5, 403241528), (8, 252025955), (10, 201620764), (20, 100810382), (40, 50405191)]