180630160

素因数分解:

$2^4\times 5^1\times {\mathrm{2257877}}^1$

素因数の和:2257890

約数の個数: 20

約数和(自身を含む): 419965308

約数和(自身を除く): 239335148

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2257877, 4515754, 9031508, 11289385, 18063016, 22578770, 36126032, 45157540, 90315080, 180630160]

約数ペア:

[(1, 180630160), (2, 90315080), (4, 45157540), (5, 36126032), (8, 22578770), (10, 18063016), (16, 11289385), (20, 9031508), (40, 4515754), (80, 2257877)]