81628060

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{17077}}^1$

素因数の和:17325

約数の個数: 24

約数和(自身を含む): 172146240

約数和(自身を除く): 90518180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 17077, 34154, 68308, 85385, 170770, 341540, 4081403, 8162806, 16325612, 20407015, 40814030, 81628060]

約数ペア:

[(1, 81628060), (2, 40814030), (4, 20407015), (5, 16325612), (10, 8162806), (20, 4081403), (239, 341540), (478, 170770), (956, 85385), (1195, 68308), (2390, 34154), (4780, 17077)]