205396120

素因数分解:

$2^3\times 5^1\times {\mathrm{5134903}}^1$

素因数の和:5134914

約数の個数: 16

約数和(自身を含む): 462141360

約数和(自身を除く): 256745240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5134903, 10269806, 20539612, 25674515, 41079224, 51349030, 102698060, 205396120]

約数ペア:

[(1, 205396120), (2, 102698060), (4, 51349030), (5, 41079224), (8, 25674515), (10, 20539612), (20, 10269806), (40, 5134903)]