13400645

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 16632000

約数和(自身を除く): 3231355

約数列:

[1, 5, 41, 131, 205, 499, 655, 2495, 5371, 20459, 26855, 65369, 102295, 326845, 2680129, 13400645]

約数ペア:

[(1, 13400645), (5, 2680129), (41, 326845), (131, 102295), (205, 65369), (499, 26855), (655, 20459), (2495, 5371)]