80525080

素因数分解:

$2^3\times 5^1\times {\mathrm{2013127}}^1$

素因数の和:2013138

約数の個数: 16

約数和(自身を含む): 181181520

約数和(自身を除く): 100656440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2013127, 4026254, 8052508, 10065635, 16105016, 20131270, 40262540, 80525080]

約数ペア:

[(1, 80525080), (2, 40262540), (4, 20131270), (5, 16105016), (8, 10065635), (10, 8052508), (20, 4026254), (40, 2013127)]