80549080

素因数分解:

$2^3\times 5^1\times {\mathrm{2013727}}^1$

素因数の和:2013738

約数の個数: 16

約数和(自身を含む): 181235520

約数和(自身を除く): 100686440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2013727, 4027454, 8054908, 10068635, 16109816, 20137270, 40274540, 80549080]

約数ペア:

[(1, 80549080), (2, 40274540), (4, 20137270), (5, 16109816), (8, 10068635), (10, 8054908), (20, 4027454), (40, 2013727)]