164101040

素因数分解:

$2^4\times 5^1\times {\mathrm{2051263}}^1$

素因数の和:2051276

約数の個数: 20

約数和(自身を含む): 381535104

約数和(自身を除く): 217434064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2051263, 4102526, 8205052, 10256315, 16410104, 20512630, 32820208, 41025260, 82050520, 164101040]

約数ペア:

[(1, 164101040), (2, 82050520), (4, 41025260), (5, 32820208), (8, 20512630), (10, 16410104), (16, 10256315), (20, 8205052), (40, 4102526), (80, 2051263)]