56438000

素因数分解:

$2^4\times 5^3\times {\mathrm{28219}}^1$

素因数の和:28242

約数の個数: 40

約数和(自身を含む): 136471920

約数和(自身を除く): 80033920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 28219, 56438, 112876, 141095, 225752, 282190, 451504, 564380, 705475, 1128760, 1410950, 2257520, 2821900, 3527375, 5643800, 7054750, 11287600, 14109500, 28219000, 56438000]

約数ペア:

[(1, 56438000), (2, 28219000), (4, 14109500), (5, 11287600), (8, 7054750), (10, 5643800), (16, 3527375), (20, 2821900), (25, 2257520), (40, 1410950), (50, 1128760), (80, 705475), (100, 564380), (125, 451504), (200, 282190), (250, 225752), (400, 141095), (500, 112876), (1000, 56438), (2000, 28219)]