139829720

素因数分解:

$2^3\times 5^1\times {\mathrm{3495743}}^1$

素因数の和:3495754

約数の個数: 16

約数和(自身を含む): 314616960

約数和(自身を除く): 174787240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3495743, 6991486, 13982972, 17478715, 27965944, 34957430, 69914860, 139829720]

約数ペア:

[(1, 139829720), (2, 69914860), (4, 34957430), (5, 27965944), (8, 17478715), (10, 13982972), (20, 6991486), (40, 3495743)]