1680373900

素因数分解:

$2^2\times 5^2\times {\mathrm{809}}^1\times {\mathrm{20771}}^1$

素因数の和:21594

約数の個数: 36

約数和(自身を含む): 3651094440

約数和(自身を除く): 1970720540

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 809, 1618, 3236, 4045, 8090, 16180, 20225, 20771, 40450, 41542, 80900, 83084, 103855, 207710, 415420, 519275, 1038550, 2077100, 16803739, 33607478, 67214956, 84018695, 168037390, 336074780, 420093475, 840186950, 1680373900]

約数ペア:

[(1, 1680373900), (2, 840186950), (4, 420093475), (5, 336074780), (10, 168037390), (20, 84018695), (25, 67214956), (50, 33607478), (100, 16803739), (809, 2077100), (1618, 1038550), (3236, 519275), (4045, 415420), (8090, 207710), (16180, 103855), (20225, 83084), (20771, 80900), (40450, 41542)]