65541040

素因数分解:

$2^4\times 5^1\times {\mathrm{819263}}^1$

素因数の和:819276

約数の個数: 20

約数和(自身を含む): 152383104

約数和(自身を除く): 86842064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 819263, 1638526, 3277052, 4096315, 6554104, 8192630, 13108208, 16385260, 32770520, 65541040]

約数ペア:

[(1, 65541040), (2, 32770520), (4, 16385260), (5, 13108208), (8, 8192630), (10, 6554104), (16, 4096315), (20, 3277052), (40, 1638526), (80, 819263)]