138080000

素因数分解:

$2^8\times 5^4\times {\mathrm{863}}^1$

素因数の和:899

約数の個数: 90

約数和(自身を含む): 344814624

約数和(自身を除く): 206734624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 625, 640, 800, 863, 1000, 1250, 1280, 1600, 1726, 2000, 2500, 3200, 3452, 4000, 4315, 5000, 6400, 6904, 8000, 8630, 10000, 13808, 16000, 17260, 20000, 21575, 27616, 32000, 34520, 40000, 43150, 55232, 69040, 80000, 86300, 107875, 110464, 138080, 160000, 172600, 215750, 220928, 276160, 345200, 431500, 539375, 552320, 690400, 863000, 1078750, 1104640, 1380800, 1726000, 2157500, 2761600, 3452000, 4315000, 5523200, 6904000, 8630000, 13808000, 17260000, 27616000, 34520000, 69040000, 138080000]

約数ペア:

[(1, 138080000), (2, 69040000), (4, 34520000), (5, 27616000), (8, 17260000), (10, 13808000), (16, 8630000), (20, 6904000), (25, 5523200), (32, 4315000), (40, 3452000), (50, 2761600), (64, 2157500), (80, 1726000), (100, 1380800), (125, 1104640), (128, 1078750), (160, 863000), (200, 690400), (250, 552320), (256, 539375), (320, 431500), (400, 345200), (500, 276160), (625, 220928), (640, 215750), (800, 172600), (863, 160000), (1000, 138080), (1250, 110464), (1280, 107875), (1600, 86300), (1726, 80000), (2000, 69040), (2500, 55232), (3200, 43150), (3452, 40000), (4000, 34520), (4315, 32000), (5000, 27616), (6400, 21575), (6904, 20000), (8000, 17260), (8630, 16000), (10000, 13808)]