79770640

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9319}}^1$

素因数の和:9439

約数の個数: 40

約数和(自身を含む): 187220160

約数和(自身を除く): 107449520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8560, 9319, 18638, 37276, 46595, 74552, 93190, 149104, 186380, 372760, 745520, 997133, 1994266, 3988532, 4985665, 7977064, 9971330, 15954128, 19942660, 39885320, 79770640]

約数ペア:

[(1, 79770640), (2, 39885320), (4, 19942660), (5, 15954128), (8, 9971330), (10, 7977064), (16, 4985665), (20, 3988532), (40, 1994266), (80, 997133), (107, 745520), (214, 372760), (428, 186380), (535, 149104), (856, 93190), (1070, 74552), (1712, 46595), (2140, 37276), (4280, 18638), (8560, 9319)]