97100000

素因数分解:

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

素因数の和:1006

約数の個数: 72

約数和(自身を含む): 239187816

約数和(自身を除く): 142087816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 971, 1000, 1250, 1942, 2000, 2500, 3125, 3884, 4000, 4855, 5000, 6250, 7768, 9710, 10000, 12500, 15536, 19420, 20000, 24275, 25000, 31072, 38840, 48550, 50000, 77680, 97100, 100000, 121375, 155360, 194200, 242750, 388400, 485500, 606875, 776800, 971000, 1213750, 1942000, 2427500, 3034375, 3884000, 4855000, 6068750, 9710000, 12137500, 19420000, 24275000, 48550000, 97100000]

約数ペア:

[(1, 97100000), (2, 48550000), (4, 24275000), (5, 19420000), (8, 12137500), (10, 9710000), (16, 6068750), (20, 4855000), (25, 3884000), (32, 3034375), (40, 2427500), (50, 1942000), (80, 1213750), (100, 971000), (125, 776800), (160, 606875), (200, 485500), (250, 388400), (400, 242750), (500, 194200), (625, 155360), (800, 121375), (971, 100000), (1000, 97100), (1250, 77680), (1942, 50000), (2000, 48550), (2500, 38840), (3125, 31072), (3884, 25000), (4000, 24275), (4855, 20000), (5000, 19420), (6250, 15536), (7768, 12500), (9710, 10000)]