40347152

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{109639}}^1$

素因数の和:109670

約数の個数: 20

約数和(自身を含む): 81572160

約数和(自身を除く): 41225008

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 109639, 219278, 438556, 877112, 1754224, 2521697, 5043394, 10086788, 20173576, 40347152]

約数ペア:

[(1, 40347152), (2, 20173576), (4, 10086788), (8, 5043394), (16, 2521697), (23, 1754224), (46, 877112), (92, 438556), (184, 219278), (368, 109639)]