7742840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{27653}}^1$

素因数の和:27671

約数の個数: 32

約数和(自身を含む): 19910880

約数和(自身を除く): 12168040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 27653, 55306, 110612, 138265, 193571, 221224, 276530, 387142, 553060, 774284, 967855, 1106120, 1548568, 1935710, 3871420, 7742840]

約数ペア:

[(1, 7742840), (2, 3871420), (4, 1935710), (5, 1548568), (7, 1106120), (8, 967855), (10, 774284), (14, 553060), (20, 387142), (28, 276530), (35, 221224), (40, 193571), (56, 138265), (70, 110612), (140, 55306), (280, 27653)]