165769360

素因数分解:

$2^4\times 5^1\times {\mathrm{2072117}}^1$

素因数の和:2072130

約数の個数: 20

約数和(自身を含む): 385413948

約数和(自身を除く): 219644588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2072117, 4144234, 8288468, 10360585, 16576936, 20721170, 33153872, 41442340, 82884680, 165769360]

約数ペア:

[(1, 165769360), (2, 82884680), (4, 41442340), (5, 33153872), (8, 20721170), (10, 16576936), (16, 10360585), (20, 8288468), (40, 4144234), (80, 2072117)]