201615640

素因数分解:

$2^3\times 5^1\times {\mathrm{5040391}}^1$

素因数の和:5040402

約数の個数: 16

約数和(自身を含む): 453635280

約数和(自身を除く): 252019640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5040391, 10080782, 20161564, 25201955, 40323128, 50403910, 100807820, 201615640]

約数ペア:

[(1, 201615640), (2, 100807820), (4, 50403910), (5, 40323128), (8, 25201955), (10, 20161564), (20, 10080782), (40, 5040391)]