80856580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577547}}^1$

素因数の和:577563

約数の個数: 24

約数和(自身を含む): 194056128

約数和(自身を除く): 113199548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577547, 1155094, 2310188, 2887735, 4042829, 5775470, 8085658, 11550940, 16171316, 20214145, 40428290, 80856580]

約数ペア:

[(1, 80856580), (2, 40428290), (4, 20214145), (5, 16171316), (7, 11550940), (10, 8085658), (14, 5775470), (20, 4042829), (28, 2887735), (35, 2310188), (70, 1155094), (140, 577547)]