320093960

素因数分解:

$2^3\times 5^1\times {\mathrm{8002349}}^1$

素因数の和:8002360

約数の個数: 16

約数和(自身を含む): 720211500

約数和(自身を除く): 400117540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8002349, 16004698, 32009396, 40011745, 64018792, 80023490, 160046980, 320093960]

約数ペア:

[(1, 320093960), (2, 160046980), (4, 80023490), (5, 64018792), (8, 40011745), (10, 32009396), (20, 16004698), (40, 8002349)]