1268543240

素因数分解:

$2^3\times 5^1\times {\mathrm{31713581}}^1$

素因数の和:31713592

約数の個数: 16

約数和(自身を含む): 2854222380

約数和(自身を除く): 1585679140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31713581, 63427162, 126854324, 158567905, 253708648, 317135810, 634271620, 1268543240]

約数ペア:

[(1, 1268543240), (2, 634271620), (4, 317135810), (5, 253708648), (8, 158567905), (10, 126854324), (20, 63427162), (40, 31713581)]