80248040

素因数分解:

$2^3\times 5^1\times {\mathrm{2006201}}^1$

素因数の和:2006212

約数の個数: 16

約数和(自身を含む): 180558180

約数和(自身を除く): 100310140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2006201, 4012402, 8024804, 10031005, 16049608, 20062010, 40124020, 80248040]

約数ペア:

[(1, 80248040), (2, 40124020), (4, 20062010), (5, 16049608), (8, 10031005), (10, 8024804), (20, 4012402), (40, 2006201)]