851898.0000000

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1039

約数の個数: 40

約数和(自身を含む): 23123520

約数和(自身を除く): 13260080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 887, 1112, 1390, 1774, 2224, 2780, 3548, 4435, 5560, 7096, 8870, 11120, 14192, 17740, 35480, 70960, 123293, 246586, 493172, 616465, 986344, 1232930, 1972688, 2465860, 4931720, 9863440]

約数ペア:

[(1, 9863440), (2, 4931720), (4, 2465860), (5, 1972688), (8, 1232930), (10, 986344), (16, 616465), (20, 493172), (40, 246586), (80, 123293), (139, 70960), (278, 35480), (556, 17740), (695, 14192), (887, 11120), (1112, 8870), (1390, 7096), (1774, 5560), (2224, 4435), (2780, 3548)]