27942800

素因数分解:

$2^4\times 5^2\times {\mathrm{69857}}^1$

素因数の和:69875

約数の個数: 30

約数和(自身を含む): 67133538

約数和(自身を除く): 39190738

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 69857, 139714, 279428, 349285, 558856, 698570, 1117712, 1397140, 1746425, 2794280, 3492850, 5588560, 6985700, 13971400, 27942800]

約数ペア:

[(1, 27942800), (2, 13971400), (4, 6985700), (5, 5588560), (8, 3492850), (10, 2794280), (16, 1746425), (20, 1397140), (25, 1117712), (40, 698570), (50, 558856), (80, 349285), (100, 279428), (200, 139714), (400, 69857)]