39971860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68917}}^1$

素因数の和:68955

約数の個数: 24

約数和(自身を含む): 86836680

約数和(自身を除く): 46864820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 68917, 137834, 275668, 344585, 689170, 1378340, 1998593, 3997186, 7994372, 9992965, 19985930, 39971860]

約数ペア:

[(1, 39971860), (2, 19985930), (4, 9992965), (5, 7994372), (10, 3997186), (20, 1998593), (29, 1378340), (58, 689170), (116, 344585), (145, 275668), (290, 137834), (580, 68917)]