80240188

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{18253}}^1$

素因数の和:18421

約数の個数: 24

約数和(自身を含む): 161511392

約数和(自身を除く): 81271204

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 18253, 36506, 73012, 127771, 255542, 511084, 2865721, 5731442, 11462884, 20060047, 40120094, 80240188]

約数ペア:

[(1, 80240188), (2, 40120094), (4, 20060047), (7, 11462884), (14, 5731442), (28, 2865721), (157, 511084), (314, 255542), (628, 127771), (1099, 73012), (2198, 36506), (4396, 18253)]