8630000

素因数分解:

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

素因数の和:891

約数の個数: 50

約数和(自身を含む): 20918304

約数和(自身を除く): 12288304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 863, 1000, 1250, 1726, 2000, 2500, 3452, 4315, 5000, 6904, 8630, 10000, 13808, 17260, 21575, 34520, 43150, 69040, 86300, 107875, 172600, 215750, 345200, 431500, 539375, 863000, 1078750, 1726000, 2157500, 4315000, 8630000]

約数ペア:

[(1, 8630000), (2, 4315000), (4, 2157500), (5, 1726000), (8, 1078750), (10, 863000), (16, 539375), (20, 431500), (25, 345200), (40, 215750), (50, 172600), (80, 107875), (100, 86300), (125, 69040), (200, 43150), (250, 34520), (400, 21575), (500, 17260), (625, 13808), (863, 10000), (1000, 8630), (1250, 6904), (1726, 5000), (2000, 4315), (2500, 3452)]