4020804008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1291}}^1\times {\mathrm{29947}}^1$

素因数の和:31257

約数の個数: 32

約数和(自身を含む): 8125491360

約数和(自身を除く): 4104687352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1291, 2582, 5164, 10328, 16783, 29947, 33566, 59894, 67132, 119788, 134264, 239576, 389311, 778622, 1557244, 3114488, 38661577, 77323154, 154646308, 309292616, 502600501, 1005201002, 2010402004, 4020804008]

約数ペア:

[(1, 4020804008), (2, 2010402004), (4, 1005201002), (8, 502600501), (13, 309292616), (26, 154646308), (52, 77323154), (104, 38661577), (1291, 3114488), (2582, 1557244), (5164, 778622), (10328, 389311), (16783, 239576), (29947, 134264), (33566, 119788), (59894, 67132)]