38946640

素因数分解:

$2^4\times 5^1\times {\mathrm{486833}}^1$

素因数の和:486846

約数の個数: 20

約数和(自身を含む): 90551124

約数和(自身を除く): 51604484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486833, 973666, 1947332, 2434165, 3894664, 4868330, 7789328, 9736660, 19473320, 38946640]

約数ペア:

[(1, 38946640), (2, 19473320), (4, 9736660), (5, 7789328), (8, 4868330), (10, 3894664), (16, 2434165), (20, 1947332), (40, 973666), (80, 486833)]