80364040

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{6857}}^1$

素因数の和:7161

約数の個数: 32

約数和(自身を含む): 181462680

約数和(自身を除く): 101098640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 6857, 11720, 13714, 27428, 34285, 54856, 68570, 137140, 274280, 2009101, 4018202, 8036404, 10045505, 16072808, 20091010, 40182020, 80364040]

約数ペア:

[(1, 80364040), (2, 40182020), (4, 20091010), (5, 16072808), (8, 10045505), (10, 8036404), (20, 4018202), (40, 2009101), (293, 274280), (586, 137140), (1172, 68570), (1465, 54856), (2344, 34285), (2930, 27428), (5860, 13714), (6857, 11720)]