40656538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{23339}}^1$

素因数の和:23421

約数の個数: 16

約数和(自身を含む): 66659040

約数和(自身を除く): 26002502

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 23339, 46678, 303407, 606814, 1563713, 3127426, 20328269, 40656538]

約数ペア:

[(1, 40656538), (2, 20328269), (13, 3127426), (26, 1563713), (67, 606814), (134, 303407), (871, 46678), (1742, 23339)]