86380040

素因数分解:

$2^3\times 5^1\times {\mathrm{2159501}}^1$

素因数の和:2159512

約数の個数: 16

約数和(自身を含む): 194355180

約数和(自身を除く): 107975140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2159501, 4319002, 8638004, 10797505, 17276008, 21595010, 43190020, 86380040]

約数ペア:

[(1, 86380040), (2, 43190020), (4, 21595010), (5, 17276008), (8, 10797505), (10, 8638004), (20, 4319002), (40, 2159501)]