2019086980

素因数分解:

$2^2\times 5^1\times {\mathrm{24391}}^1\times {\mathrm{4139}}^1$

素因数の和:28539

約数の個数: 24

約数和(自身を含む): 4241280960

約数和(自身を除く): 2222193980

約数列:

[1, 2, 4, 5, 10, 20, 4139, 8278, 16556, 20695, 24391, 41390, 48782, 82780, 97564, 121955, 243910, 487820, 100954349, 201908698, 403817396, 504771745, 1009543490, 2019086980]

約数ペア:

[(1, 2019086980), (2, 1009543490), (4, 504771745), (5, 403817396), (10, 201908698), (20, 100954349), (4139, 487820), (8278, 243910), (16556, 121955), (20695, 97564), (24391, 82780), (41390, 48782)]