80878288

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266047}}^1$

素因数の和:266074

約数の個数: 20

約数和(自身を含む): 164949760

約数和(自身を除く): 84071472

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266047, 532094, 1064188, 2128376, 4256752, 5054893, 10109786, 20219572, 40439144, 80878288]

約数ペア:

[(1, 80878288), (2, 40439144), (4, 20219572), (8, 10109786), (16, 5054893), (19, 4256752), (38, 2128376), (76, 1064188), (152, 532094), (304, 266047)]