80848516

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20773}}^1$

素因数の和:20923

約数の個数: 24

約数和(自身を含む): 162868160

約数和(自身を除く): 82019644

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20773, 41546, 83092, 145411, 290822, 581644, 2887447, 5774894, 11549788, 20212129, 40424258, 80848516]

約数ペア:

[(1, 80848516), (2, 40424258), (4, 20212129), (7, 11549788), (14, 5774894), (28, 2887447), (139, 581644), (278, 290822), (556, 145411), (973, 83092), (1946, 41546), (3892, 20773)]