42742025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 55258368

約数和(自身を除く): 12516343

約数列:

[1, 5, 25, 31, 131, 155, 421, 655, 775, 2105, 3275, 4061, 10525, 13051, 20305, 55151, 65255, 101525, 275755, 326275, 1378775, 1709681, 8548405, 42742025]

約数ペア:

[(1, 42742025), (5, 8548405), (25, 1709681), (31, 1378775), (131, 326275), (155, 275755), (421, 101525), (655, 65255), (775, 55151), (2105, 20305), (3275, 13051), (4061, 10525)]