81796540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{584261}}^1$

素因数の和:584277

約数の個数: 24

約数和(自身を含む): 196312032

約数和(自身を除く): 114515492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 584261, 1168522, 2337044, 2921305, 4089827, 5842610, 8179654, 11685220, 16359308, 20449135, 40898270, 81796540]

約数ペア:

[(1, 81796540), (2, 40898270), (4, 20449135), (5, 16359308), (7, 11685220), (10, 8179654), (14, 5842610), (20, 4089827), (28, 2921305), (35, 2337044), (70, 1168522), (140, 584261)]