6678440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{839}}^1$

素因数の和:1049

約数の個数: 32

約数和(自身を含む): 15120000

約数和(自身を除く): 8441560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 839, 995, 1592, 1678, 1990, 3356, 3980, 4195, 6712, 7960, 8390, 16780, 33560, 166961, 333922, 667844, 834805, 1335688, 1669610, 3339220, 6678440]

約数ペア:

[(1, 6678440), (2, 3339220), (4, 1669610), (5, 1335688), (8, 834805), (10, 667844), (20, 333922), (40, 166961), (199, 33560), (398, 16780), (796, 8390), (839, 7960), (995, 6712), (1592, 4195), (1678, 3980), (1990, 3356)]