12762980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4591}}^1$

素因数の和:4739

約数の個数: 24

約数和(自身を含む): 27000960

約数和(自身を除く): 14237980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 4591, 9182, 18364, 22955, 45910, 91820, 638149, 1276298, 2552596, 3190745, 6381490, 12762980]

約数ペア:

[(1, 12762980), (2, 6381490), (4, 3190745), (5, 2552596), (10, 1276298), (20, 638149), (139, 91820), (278, 45910), (556, 22955), (695, 18364), (1390, 9182), (2780, 4591)]