81055088

素因数分解:

$2^4\times {\mathrm{199}}^1\times {\mathrm{25457}}^1$

素因数の和:25664

約数の個数: 20

約数和(自身を含む): 157839600

約数和(自身を除く): 76784512

約数列:

[1, 2, 4, 8, 16, 199, 398, 796, 1592, 3184, 25457, 50914, 101828, 203656, 407312, 5065943, 10131886, 20263772, 40527544, 81055088]

約数ペア:

[(1, 81055088), (2, 40527544), (4, 20263772), (8, 10131886), (16, 5065943), (199, 407312), (398, 203656), (796, 101828), (1592, 50914), (3184, 25457)]