11721040

素因数分解:

$2^4\times 5^1\times {\mathrm{146513}}^1$

素因数の和:146526

約数の個数: 20

約数和(自身を含む): 27251604

約数和(自身を除く): 15530564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 146513, 293026, 586052, 732565, 1172104, 1465130, 2344208, 2930260, 5860520, 11721040]

約数ペア:

[(1, 11721040), (2, 5860520), (4, 2930260), (5, 2344208), (8, 1465130), (10, 1172104), (16, 732565), (20, 586052), (40, 293026), (80, 146513)]