4081900

素因数分解:

$2^2\times 5^2\times {\mathrm{40819}}^1$

素因数の和:40833

約数の個数: 18

約数和(自身を含む): 8857940

約数和(自身を除く): 4776040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 40819, 81638, 163276, 204095, 408190, 816380, 1020475, 2040950, 4081900]

約数ペア:

[(1, 4081900), (2, 2040950), (4, 1020475), (5, 816380), (10, 408190), (20, 204095), (25, 163276), (50, 81638), (100, 40819)]