12439780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27043}}^1$

素因数の和:27075

約数の個数: 24

約数和(自身を含む): 27260352

約数和(自身を除く): 14820572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27043, 54086, 108172, 135215, 270430, 540860, 621989, 1243978, 2487956, 3109945, 6219890, 12439780]

約数ペア:

[(1, 12439780), (2, 6219890), (4, 3109945), (5, 2487956), (10, 1243978), (20, 621989), (23, 540860), (46, 270430), (92, 135215), (115, 108172), (230, 54086), (460, 27043)]