6390680

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 14469840

約数和(自身を除く): 8079160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 811, 985, 1576, 1622, 1970, 3244, 3940, 4055, 6488, 7880, 8110, 16220, 32440, 159767, 319534, 639068, 798835, 1278136, 1597670, 3195340, 6390680]

約数ペア:

[(1, 6390680), (2, 3195340), (4, 1597670), (5, 1278136), (8, 798835), (10, 639068), (20, 319534), (40, 159767), (197, 32440), (394, 16220), (788, 8110), (811, 7880), (985, 6488), (1576, 4055), (1622, 3940), (1970, 3244)]