13485840820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9497071}}^1$

素因数の和:9497151

約数の個数: 24

約数和(自身を含む): 28719145728

約数和(自身を除く): 15233304908

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9497071, 18994142, 37988284, 47485355, 94970710, 189941420, 674292041, 1348584082, 2697168164, 3371460205, 6742920410, 13485840820]

約数ペア:

[(1, 13485840820), (2, 6742920410), (4, 3371460205), (5, 2697168164), (10, 1348584082), (20, 674292041), (71, 189941420), (142, 94970710), (284, 47485355), (355, 37988284), (710, 18994142), (1420, 9497071)]