9710000

素因数分解:

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

素因数の和:999

約数の個数: 50

約数和(自身を含む): 23533092

約数和(自身を除く): 13823092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 971, 1000, 1250, 1942, 2000, 2500, 3884, 4855, 5000, 7768, 9710, 10000, 15536, 19420, 24275, 38840, 48550, 77680, 97100, 121375, 194200, 242750, 388400, 485500, 606875, 971000, 1213750, 1942000, 2427500, 4855000, 9710000]

約数ペア:

[(1, 9710000), (2, 4855000), (4, 2427500), (5, 1942000), (8, 1213750), (10, 971000), (16, 606875), (20, 485500), (25, 388400), (40, 242750), (50, 194200), (80, 121375), (100, 97100), (125, 77680), (200, 48550), (250, 38840), (400, 24275), (500, 19420), (625, 15536), (971, 10000), (1000, 9710), (1250, 7768), (1942, 5000), (2000, 4855), (2500, 3884)]