40805720

素因数分解:

$2^3\times 5^1\times {\mathrm{1020143}}^1$

素因数の和:1020154

約数の個数: 16

約数和(自身を含む): 91812960

約数和(自身を除く): 51007240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1020143, 2040286, 4080572, 5100715, 8161144, 10201430, 20402860, 40805720]

約数ペア:

[(1, 40805720), (2, 20402860), (4, 10201430), (5, 8161144), (8, 5100715), (10, 4080572), (20, 2040286), (40, 1020143)]