199832240

素因数分解:

$2^4\times 5^1\times {\mathrm{2497903}}^1$

素因数の和:2497916

約数の個数: 20

約数和(自身を含む): 464610144

約数和(自身を除く): 264777904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2497903, 4995806, 9991612, 12489515, 19983224, 24979030, 39966448, 49958060, 99916120, 199832240]

約数ペア:

[(1, 199832240), (2, 99916120), (4, 49958060), (5, 39966448), (8, 24979030), (10, 19983224), (16, 12489515), (20, 9991612), (40, 4995806), (80, 2497903)]