11721680

素因数分解:

$2^4\times 5^1\times {\mathrm{146521}}^1$

素因数の和:146534

約数の個数: 20

約数和(自身を含む): 27253092

約数和(自身を除く): 15531412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 146521, 293042, 586084, 732605, 1172168, 1465210, 2344336, 2930420, 5860840, 11721680]

約数ペア:

[(1, 11721680), (2, 5860840), (4, 2930420), (5, 2344336), (8, 1465210), (10, 1172168), (16, 732605), (20, 586084), (40, 293042), (80, 146521)]