85879120

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4177}}^1$

素因数の和:4447

約数の個数: 40

約数和(自身を含む): 200493864

約数和(自身を除く): 114614744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 4177, 5140, 8354, 10280, 16708, 20560, 20885, 33416, 41770, 66832, 83540, 167080, 334160, 1073489, 2146978, 4293956, 5367445, 8587912, 10734890, 17175824, 21469780, 42939560, 85879120]

約数ペア:

[(1, 85879120), (2, 42939560), (4, 21469780), (5, 17175824), (8, 10734890), (10, 8587912), (16, 5367445), (20, 4293956), (40, 2146978), (80, 1073489), (257, 334160), (514, 167080), (1028, 83540), (1285, 66832), (2056, 41770), (2570, 33416), (4112, 20885), (4177, 20560), (5140, 16708), (8354, 10280)]