40312280

素因数分解:

$2^3\times 5^1\times {\mathrm{1007807}}^1$

素因数の和:1007818

約数の個数: 16

約数和(自身を含む): 90702720

約数和(自身を除く): 50390440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1007807, 2015614, 4031228, 5039035, 8062456, 10078070, 20156140, 40312280]

約数ペア:

[(1, 40312280), (2, 20156140), (4, 10078070), (5, 8062456), (8, 5039035), (10, 4031228), (20, 2015614), (40, 1007807)]