18026000

素因数分解:

$2^4\times 5^3\times {\mathrm{9013}}^1$

素因数の和:9036

約数の個数: 40

約数和(自身を含む): 43591704

約数和(自身を除く): 25565704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 9013, 18026, 36052, 45065, 72104, 90130, 144208, 180260, 225325, 360520, 450650, 721040, 901300, 1126625, 1802600, 2253250, 3605200, 4506500, 9013000, 18026000]

約数ペア:

[(1, 18026000), (2, 9013000), (4, 4506500), (5, 3605200), (8, 2253250), (10, 1802600), (16, 1126625), (20, 901300), (25, 721040), (40, 450650), (50, 360520), (80, 225325), (100, 180260), (125, 144208), (200, 90130), (250, 72104), (400, 45065), (500, 36052), (1000, 18026), (2000, 9013)]