4198000

素因数分解:

$2^4\times 5^3\times {\mathrm{2099}}^1$

素因数の和:2122

約数の個数: 40

約数和(自身を含む): 10155600

約数和(自身を除く): 5957600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 2099, 4198, 8396, 10495, 16792, 20990, 33584, 41980, 52475, 83960, 104950, 167920, 209900, 262375, 419800, 524750, 839600, 1049500, 2099000, 4198000]

約数ペア:

[(1, 4198000), (2, 2099000), (4, 1049500), (5, 839600), (8, 524750), (10, 419800), (16, 262375), (20, 209900), (25, 167920), (40, 104950), (50, 83960), (80, 52475), (100, 41980), (125, 33584), (200, 20990), (250, 16792), (400, 10495), (500, 8396), (1000, 4198), (2000, 2099)]