2543000

素因数分解:

$2^3\times 5^3\times {\mathrm{2543}}^1$

素因数の和:2564

約数の個数: 32

約数和(自身を含む): 5952960

約数和(自身を除く): 3409960

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 2543, 5086, 10172, 12715, 20344, 25430, 50860, 63575, 101720, 127150, 254300, 317875, 508600, 635750, 1271500, 2543000]

約数ペア:

[(1, 2543000), (2, 1271500), (4, 635750), (5, 508600), (8, 317875), (10, 254300), (20, 127150), (25, 101720), (40, 63575), (50, 50860), (100, 25430), (125, 20344), (200, 12715), (250, 10172), (500, 5086), (1000, 2543)]