6638000

素因数分解:

$2^4\times 5^3\times {\mathrm{3319}}^1$

素因数の和:3342

約数の個数: 40

約数和(自身を含む): 16055520

約数和(自身を除く): 9417520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 3319, 6638, 13276, 16595, 26552, 33190, 53104, 66380, 82975, 132760, 165950, 265520, 331900, 414875, 663800, 829750, 1327600, 1659500, 3319000, 6638000]

約数ペア:

[(1, 6638000), (2, 3319000), (4, 1659500), (5, 1327600), (8, 829750), (10, 663800), (16, 414875), (20, 331900), (25, 265520), (40, 165950), (50, 132760), (80, 82975), (100, 66380), (125, 53104), (200, 33190), (250, 26552), (400, 16595), (500, 13276), (1000, 6638), (2000, 3319)]