2165000

素因数分解:

$2^3\times 5^4\times {\mathrm{433}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 5084310

約数和(自身を除く): 2919310

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 433, 500, 625, 866, 1000, 1250, 1732, 2165, 2500, 3464, 4330, 5000, 8660, 10825, 17320, 21650, 43300, 54125, 86600, 108250, 216500, 270625, 433000, 541250, 1082500, 2165000]

約数ペア:

[(1, 2165000), (2, 1082500), (4, 541250), (5, 433000), (8, 270625), (10, 216500), (20, 108250), (25, 86600), (40, 54125), (50, 43300), (100, 21650), (125, 17320), (200, 10825), (250, 8660), (433, 5000), (500, 4330), (625, 3464), (866, 2500), (1000, 2165), (1250, 1732)]