80486755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 112251744

約数和(自身を除く): 31764989

約数列:

[1, 5, 17, 19, 43, 61, 85, 95, 215, 305, 323, 361, 731, 817, 1037, 1159, 1615, 1805, 2623, 3655, 4085, 5185, 5795, 6137, 13115, 13889, 15523, 19703, 22021, 30685, 44591, 49837, 69445, 77615, 98515, 110105, 222955, 249185, 263891, 374357, 847229, 946903, 1319455, 1871785, 4236145, 4734515, 16097351, 80486755]

約数ペア:

[(1, 80486755), (5, 16097351), (17, 4734515), (19, 4236145), (43, 1871785), (61, 1319455), (85, 946903), (95, 847229), (215, 374357), (305, 263891), (323, 249185), (361, 222955), (731, 110105), (817, 98515), (1037, 77615), (1159, 69445), (1615, 49837), (1805, 44591), (2623, 30685), (3655, 22021), (4085, 19703), (5185, 15523), (5795, 13889), (6137, 13115)]