8661380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4759}}^1$

素因数の和:4788

約数の個数: 48

約数和(自身を含む): 22391040

約数和(自身を除く): 13729660

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, 4759, 9518, 19036, 23795, 33313, 47590, 61867, 66626, 95180, 123734, 133252, 166565, 247468, 309335, 333130, 433069, 618670, 666260, 866138, 1237340, 1732276, 2165345, 4330690, 8661380]

約数ペア:

[(1, 8661380), (2, 4330690), (4, 2165345), (5, 1732276), (7, 1237340), (10, 866138), (13, 666260), (14, 618670), (20, 433069), (26, 333130), (28, 309335), (35, 247468), (52, 166565), (65, 133252), (70, 123734), (91, 95180), (130, 66626), (140, 61867), (182, 47590), (260, 33313), (364, 23795), (455, 19036), (910, 9518), (1820, 4759)]