67540400

素因数分解:

$2^4\times 5^2\times {\mathrm{168851}}^1$

素因数の和:168869

約数の個数: 30

約数和(自身を含む): 162266772

約数和(自身を除く): 94726372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 168851, 337702, 675404, 844255, 1350808, 1688510, 2701616, 3377020, 4221275, 6754040, 8442550, 13508080, 16885100, 33770200, 67540400]

約数ペア:

[(1, 67540400), (2, 33770200), (4, 16885100), (5, 13508080), (8, 8442550), (10, 6754040), (16, 4221275), (20, 3377020), (25, 2701616), (40, 1688510), (50, 1350808), (80, 844255), (100, 675404), (200, 337702), (400, 168851)]