25119280

素因数分解:

$2^4\times 5^1\times {\mathrm{313991}}^1$

素因数の和:314004

約数の個数: 20

約数和(自身を含む): 58402512

約数和(自身を除く): 33283232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313991, 627982, 1255964, 1569955, 2511928, 3139910, 5023856, 6279820, 12559640, 25119280]

約数ペア:

[(1, 25119280), (2, 12559640), (4, 6279820), (5, 5023856), (8, 3139910), (10, 2511928), (16, 1569955), (20, 1255964), (40, 627982), (80, 313991)]