15550520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9041}}^1$

素因数の和:9095

約数の個数: 32

約数和(自身を含む): 35806320

約数和(自身を除く): 20255800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9041, 18082, 36164, 45205, 72328, 90410, 180820, 361640, 388763, 777526, 1555052, 1943815, 3110104, 3887630, 7775260, 15550520]

約数ペア:

[(1, 15550520), (2, 7775260), (4, 3887630), (5, 3110104), (8, 1943815), (10, 1555052), (20, 777526), (40, 388763), (43, 361640), (86, 180820), (172, 90410), (215, 72328), (344, 45205), (430, 36164), (860, 18082), (1720, 9041)]