15509680

素因数分解:

$2^4\times 5^1\times {\mathrm{193871}}^1$

素因数の和:193884

約数の個数: 20

約数和(自身を含む): 36060192

約数和(自身を除く): 20550512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193871, 387742, 775484, 969355, 1550968, 1938710, 3101936, 3877420, 7754840, 15509680]

約数ペア:

[(1, 15509680), (2, 7754840), (4, 3877420), (5, 3101936), (8, 1938710), (10, 1550968), (16, 969355), (20, 775484), (40, 387742), (80, 193871)]