26670290

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{20359}}^1$

素因数の和:20497

約数の個数: 16

約数和(自身を含む): 48375360

約数和(自身を除く): 21705070

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 20359, 40718, 101795, 203590, 2667029, 5334058, 13335145, 26670290]

約数ペア:

[(1, 26670290), (2, 13335145), (5, 5334058), (10, 2667029), (131, 203590), (262, 101795), (655, 40718), (1310, 20359)]