1307555240

素因数分解:

$2^3\times 5^1\times {\mathrm{32688881}}^1$

素因数の和:32688892

約数の個数: 16

約数和(自身を含む): 2941999380

約数和(自身を除く): 1634444140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 32688881, 65377762, 130755524, 163444405, 261511048, 326888810, 653777620, 1307555240]

約数ペア:

[(1, 1307555240), (2, 653777620), (4, 326888810), (5, 261511048), (8, 163444405), (10, 130755524), (20, 65377762), (40, 32688881)]