2665040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{4759}}^1$

素因数の和:4779

約数の個数: 40

約数和(自身を含む): 7082880

約数和(自身を除く): 4417840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 4759, 9518, 19036, 23795, 33313, 38072, 47590, 66626, 76144, 95180, 133252, 166565, 190360, 266504, 333130, 380720, 533008, 666260, 1332520, 2665040]

約数ペア:

[(1, 2665040), (2, 1332520), (4, 666260), (5, 533008), (7, 380720), (8, 333130), (10, 266504), (14, 190360), (16, 166565), (20, 133252), (28, 95180), (35, 76144), (40, 66626), (56, 47590), (70, 38072), (80, 33313), (112, 23795), (140, 19036), (280, 9518), (560, 4759)]