82980160

素因数分解:

$2^6\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1009}}^1$

素因数の和:1283

約数の個数: 56

約数和(自身を含む): 198561960

約数和(自身を除く): 115581800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 257, 320, 514, 1009, 1028, 1285, 2018, 2056, 2570, 4036, 4112, 5045, 5140, 8072, 8224, 10090, 10280, 16144, 16448, 20180, 20560, 32288, 40360, 41120, 64576, 80720, 82240, 161440, 259313, 322880, 518626, 1037252, 1296565, 2074504, 2593130, 4149008, 5186260, 8298016, 10372520, 16596032, 20745040, 41490080, 82980160]

約数ペア:

[(1, 82980160), (2, 41490080), (4, 20745040), (5, 16596032), (8, 10372520), (10, 8298016), (16, 5186260), (20, 4149008), (32, 2593130), (40, 2074504), (64, 1296565), (80, 1037252), (160, 518626), (257, 322880), (320, 259313), (514, 161440), (1009, 82240), (1028, 80720), (1285, 64576), (2018, 41120), (2056, 40360), (2570, 32288), (4036, 20560), (4112, 20180), (5045, 16448), (5140, 16144), (8072, 10280), (8224, 10090)]