11961680

素因数分解:

$2^4\times 5^1\times {\mathrm{149521}}^1$

素因数の和:149534

約数の個数: 20

約数和(自身を含む): 27811092

約数和(自身を除く): 15849412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149521, 299042, 598084, 747605, 1196168, 1495210, 2392336, 2990420, 5980840, 11961680]

約数ペア:

[(1, 11961680), (2, 5980840), (4, 2990420), (5, 2392336), (8, 1495210), (10, 1196168), (16, 747605), (20, 598084), (40, 299042), (80, 149521)]