8122660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4463}}^1$

素因数の和:4492

約数の個数: 48

約数和(自身を含む): 20998656

約数和(自身を除く): 12875996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4463, 8926, 17852, 22315, 31241, 44630, 58019, 62482, 89260, 116038, 124964, 156205, 232076, 290095, 312410, 406133, 580190, 624820, 812266, 1160380, 1624532, 2030665, 4061330, 8122660]

約数ペア:

[(1, 8122660), (2, 4061330), (4, 2030665), (5, 1624532), (7, 1160380), (10, 812266), (13, 624820), (14, 580190), (20, 406133), (26, 312410), (28, 290095), (35, 232076), (52, 156205), (65, 124964), (70, 116038), (91, 89260), (130, 62482), (140, 58019), (182, 44630), (260, 31241), (364, 22315), (455, 17852), (910, 8926), (1820, 4463)]