25807655

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 33031152

約数和(自身を除く): 7223497

約数列:

[1, 5, 31, 41, 131, 155, 205, 655, 961, 1271, 4061, 4805, 5371, 6355, 20305, 26855, 39401, 125891, 166501, 197005, 629455, 832505, 5161531, 25807655]

約数ペア:

[(1, 25807655), (5, 5161531), (31, 832505), (41, 629455), (131, 197005), (155, 166501), (205, 125891), (655, 39401), (961, 26855), (1271, 20305), (4061, 6355), (4805, 5371)]