140087680

素因数分解:

$2^7\times 5^1\times {\mathrm{218887}}^1$

素因数の和:218906

約数の個数: 32

約数和(自身を含む): 334898640

約数和(自身を除く): 194810960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 218887, 437774, 875548, 1094435, 1751096, 2188870, 3502192, 4377740, 7004384, 8755480, 14008768, 17510960, 28017536, 35021920, 70043840, 140087680]

約数ペア:

[(1, 140087680), (2, 70043840), (4, 35021920), (5, 28017536), (8, 17510960), (10, 14008768), (16, 8755480), (20, 7004384), (32, 4377740), (40, 3502192), (64, 2188870), (80, 1751096), (128, 1094435), (160, 875548), (320, 437774), (640, 218887)]