204875120

素因数分解:

$2^4\times 5^1\times {\mathrm{2560939}}^1$

素因数の和:2560952

約数の個数: 20

約数和(自身を含む): 476334840

約数和(自身を除く): 271459720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2560939, 5121878, 10243756, 12804695, 20487512, 25609390, 40975024, 51218780, 102437560, 204875120]

約数ペア:

[(1, 204875120), (2, 102437560), (4, 51218780), (5, 40975024), (8, 25609390), (10, 20487512), (16, 12804695), (20, 10243756), (40, 5121878), (80, 2560939)]