54501640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{31687}}^1$

素因数の和:31741

約数の個数: 32

約数和(自身を含む): 125484480

約数和(自身を除く): 70982840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 31687, 63374, 126748, 158435, 253496, 316870, 633740, 1267480, 1362541, 2725082, 5450164, 6812705, 10900328, 13625410, 27250820, 54501640]

約数ペア:

[(1, 54501640), (2, 27250820), (4, 13625410), (5, 10900328), (8, 6812705), (10, 5450164), (20, 2725082), (40, 1362541), (43, 1267480), (86, 633740), (172, 316870), (215, 253496), (344, 158435), (430, 126748), (860, 63374), (1720, 31687)]