80407228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20533}}^1$

素因数の和:20637

約数の個数: 24

約数和(自身を含む): 155237040

約数和(自身を除く): 74829812

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 20533, 41066, 82132, 225863, 451726, 903452, 1827437, 3654874, 7309748, 20101807, 40203614, 80407228]

約数ペア:

[(1, 80407228), (2, 40203614), (4, 20101807), (11, 7309748), (22, 3654874), (44, 1827437), (89, 903452), (178, 451726), (356, 225863), (979, 82132), (1958, 41066), (3916, 20533)]