13509968140

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{677531}}^1$

素因数の和:678537

約数の個数: 24

約数和(自身を含む): 28399431312

約数和(自身を除く): 14889463172

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 19940, 677531, 1355062, 2710124, 3387655, 6775310, 13550620, 675498407, 1350996814, 2701993628, 3377492035, 6754984070, 13509968140]

約数ペア:

[(1, 13509968140), (2, 6754984070), (4, 3377492035), (5, 2701993628), (10, 1350996814), (20, 675498407), (997, 13550620), (1994, 6775310), (3988, 3387655), (4985, 2710124), (9970, 1355062), (19940, 677531)]