4855000

素因数分解:

$2^3\times 5^4\times {\mathrm{971}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 11386980

約数和(自身を除く): 6531980

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 971, 1000, 1250, 1942, 2500, 3884, 4855, 5000, 7768, 9710, 19420, 24275, 38840, 48550, 97100, 121375, 194200, 242750, 485500, 606875, 971000, 1213750, 2427500, 4855000]

約数ペア:

[(1, 4855000), (2, 2427500), (4, 1213750), (5, 971000), (8, 606875), (10, 485500), (20, 242750), (25, 194200), (40, 121375), (50, 97100), (100, 48550), (125, 38840), (200, 24275), (250, 19420), (500, 9710), (625, 7768), (971, 5000), (1000, 4855), (1250, 3884), (1942, 2500)]