7871480

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{641}}^1$

素因数の和:959

約数の個数: 32

約数和(自身を含む): 17796240

約数和(自身を除く): 9924760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 641, 1228, 1282, 1535, 2456, 2564, 3070, 3205, 5128, 6140, 6410, 12280, 12820, 25640, 196787, 393574, 787148, 983935, 1574296, 1967870, 3935740, 7871480]

約数ペア:

[(1, 7871480), (2, 3935740), (4, 1967870), (5, 1574296), (8, 983935), (10, 787148), (20, 393574), (40, 196787), (307, 25640), (614, 12820), (641, 12280), (1228, 6410), (1282, 6140), (1535, 5128), (2456, 3205), (2564, 3070)]