40438000

素因数分解:

$2^4\times 5^3\times {\mathrm{20219}}^1$

素因数の和:20242

約数の個数: 40

約数和(自身を含む): 97783920

約数和(自身を除く): 57345920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 20219, 40438, 80876, 101095, 161752, 202190, 323504, 404380, 505475, 808760, 1010950, 1617520, 2021900, 2527375, 4043800, 5054750, 8087600, 10109500, 20219000, 40438000]

約数ペア:

[(1, 40438000), (2, 20219000), (4, 10109500), (5, 8087600), (8, 5054750), (10, 4043800), (16, 2527375), (20, 2021900), (25, 1617520), (40, 1010950), (50, 808760), (80, 505475), (100, 404380), (125, 323504), (200, 202190), (250, 161752), (400, 101095), (500, 80876), (1000, 40438), (2000, 20219)]