80871725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{6257}}^1$

素因数の和:6325

約数の個数: 24

約数和(自身を含む): 111742848

約数和(自身を除く): 30871123

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 6257, 12925, 31285, 68827, 156425, 294079, 344135, 1470395, 1720675, 3234869, 7351975, 16174345, 80871725]

約数ペア:

[(1, 80871725), (5, 16174345), (11, 7351975), (25, 3234869), (47, 1720675), (55, 1470395), (235, 344135), (275, 294079), (517, 156425), (1175, 68827), (2585, 31285), (6257, 12925)]