71177860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8831}}^1$

素因数の和:8884

約数の個数: 48

約数和(自身を含む): 166182912

約数和(自身を除く): 95005052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 8831, 17662, 35324, 44155, 88310, 114803, 176620, 229606, 273761, 459212, 547522, 574015, 1095044, 1148030, 1368805, 2296060, 2737610, 3558893, 5475220, 7117786, 14235572, 17794465, 35588930, 71177860]

約数ペア:

[(1, 71177860), (2, 35588930), (4, 17794465), (5, 14235572), (10, 7117786), (13, 5475220), (20, 3558893), (26, 2737610), (31, 2296060), (52, 1368805), (62, 1148030), (65, 1095044), (124, 574015), (130, 547522), (155, 459212), (260, 273761), (310, 229606), (403, 176620), (620, 114803), (806, 88310), (1612, 44155), (2015, 35324), (4030, 17662), (8060, 8831)]