2019925640

素因数分解:

$2^3\times 5^1\times {\mathrm{50498141}}^1$

素因数の和:50498152

約数の個数: 16

約数和(自身を含む): 4544832780

約数和(自身を除く): 2524907140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 50498141, 100996282, 201992564, 252490705, 403985128, 504981410, 1009962820, 2019925640]

約数ペア:

[(1, 2019925640), (2, 1009962820), (4, 504981410), (5, 403985128), (8, 252490705), (10, 201992564), (20, 100996282), (40, 50498141)]