199496120

素因数分解:

$2^3\times 5^1\times {\mathrm{4987403}}^1$

素因数の和:4987414

約数の個数: 16

約数和(自身を含む): 448866360

約数和(自身を除く): 249370240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4987403, 9974806, 19949612, 24937015, 39899224, 49874030, 99748060, 199496120]

約数ペア:

[(1, 199496120), (2, 99748060), (4, 49874030), (5, 39899224), (8, 24937015), (10, 19949612), (20, 9974806), (40, 4987403)]