55809872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{81119}}^1$

素因数の和:81170

約数の個数: 20

約数和(自身を含む): 110647680

約数和(自身を除く): 54837808

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 81119, 162238, 324476, 648952, 1297904, 3488117, 6976234, 13952468, 27904936, 55809872]

約数ペア:

[(1, 55809872), (2, 27904936), (4, 13952468), (8, 6976234), (16, 3488117), (43, 1297904), (86, 648952), (172, 324476), (344, 162238), (688, 81119)]