80457988208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386817251}}^1$

素因数の和:386817272

約数の個数: 20

約数和(自身を含む): 167878687368

約数和(自身を除く): 87420699160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386817251, 773634502, 1547269004, 3094538008, 5028624263, 6189076016, 10057248526, 20114497052, 40228994104, 80457988208]

約数ペア:

[(1, 80457988208), (2, 40228994104), (4, 20114497052), (8, 10057248526), (13, 6189076016), (16, 5028624263), (26, 3094538008), (52, 1547269004), (104, 773634502), (208, 386817251)]