51680656

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{21391}}^1$

素因数の和:21550

約数の個数: 20

約数和(自身を含む): 100799104

約数和(自身を除く): 49118448

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 21391, 42782, 85564, 171128, 342256, 3230041, 6460082, 12920164, 25840328, 51680656]

約数ペア:

[(1, 51680656), (2, 25840328), (4, 12920164), (8, 6460082), (16, 3230041), (151, 342256), (302, 171128), (604, 85564), (1208, 42782), (2416, 21391)]