19142800

素因数分解:

$2^4\times 5^2\times {\mathrm{47857}}^1$

素因数の和:47875

約数の個数: 30

約数和(自身を含む): 45991538

約数和(自身を除く): 26848738

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 47857, 95714, 191428, 239285, 382856, 478570, 765712, 957140, 1196425, 1914280, 2392850, 3828560, 4785700, 9571400, 19142800]

約数ペア:

[(1, 19142800), (2, 9571400), (4, 4785700), (5, 3828560), (8, 2392850), (10, 1914280), (16, 1196425), (20, 957140), (25, 765712), (40, 478570), (50, 382856), (80, 239285), (100, 191428), (200, 95714), (400, 47857)]