16800000025

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{119297}}^1$

素因数の和:119481

約数の個数: 24

約数和(自身を含む): 21479366304

約数和(自身を除く): 4679366279

約数列:

[1, 5, 25, 43, 131, 215, 655, 1075, 3275, 5633, 28165, 119297, 140825, 596485, 2982425, 5129771, 15627907, 25648855, 78139535, 128244275, 390697675, 672000001, 3360000005, 16800000025]

約数ペア:

[(1, 16800000025), (5, 3360000005), (25, 672000001), (43, 390697675), (131, 128244275), (215, 78139535), (655, 25648855), (1075, 15627907), (3275, 5129771), (5633, 2982425), (28165, 596485), (119297, 140825)]