71791580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512797}}^1$

素因数の和:512813

約数の個数: 24

約数和(自身を含む): 172300128

約数和(自身を除く): 100508548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512797, 1025594, 2051188, 2563985, 3589579, 5127970, 7179158, 10255940, 14358316, 17947895, 35895790, 71791580]

約数ペア:

[(1, 71791580), (2, 35895790), (4, 17947895), (5, 14358316), (7, 10255940), (10, 7179158), (14, 5127970), (20, 3589579), (28, 2563985), (35, 2051188), (70, 1025594), (140, 512797)]