80853025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 114742656

約数和(自身を除く): 33889631

約数列:

[1, 5, 11, 25, 41, 55, 71, 101, 205, 275, 355, 451, 505, 781, 1025, 1111, 1775, 2255, 2525, 2911, 3905, 4141, 5555, 7171, 11275, 14555, 19525, 20705, 27775, 32021, 35855, 45551, 72775, 78881, 103525, 160105, 179275, 227755, 294011, 394405, 800525, 1138775, 1470055, 1972025, 3234121, 7350275, 16170605, 80853025]

約数ペア:

[(1, 80853025), (5, 16170605), (11, 7350275), (25, 3234121), (41, 1972025), (55, 1470055), (71, 1138775), (101, 800525), (205, 394405), (275, 294011), (355, 227755), (451, 179275), (505, 160105), (781, 103525), (1025, 78881), (1111, 72775), (1775, 45551), (2255, 35855), (2525, 32021), (2911, 27775), (3905, 20705), (4141, 19525), (5555, 14555), (7171, 11275)]