260069080

素因数分解:

$2^3\times 5^1\times {\mathrm{6501727}}^1$

素因数の和:6501738

約数の個数: 16

約数和(自身を含む): 585155520

約数和(自身を除く): 325086440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6501727, 13003454, 26006908, 32508635, 52013816, 65017270, 130034540, 260069080]

約数ペア:

[(1, 260069080), (2, 130034540), (4, 65017270), (5, 52013816), (8, 32508635), (10, 26006908), (20, 13003454), (40, 6501727)]