20512030160

素因数分解:

$2^4\times 5^1\times {\mathrm{256400377}}^1$

素因数の和:256400390

約数の個数: 20

約数和(自身を含む): 47690470308

約数和(自身を除く): 27178440148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 256400377, 512800754, 1025601508, 1282001885, 2051203016, 2564003770, 4102406032, 5128007540, 10256015080, 20512030160]

約数ペア:

[(1, 20512030160), (2, 10256015080), (4, 5128007540), (5, 4102406032), (8, 2564003770), (10, 2051203016), (16, 1282001885), (20, 1025601508), (40, 512800754), (80, 256400377)]