25390425

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{7873}}^1$

素因数の和:7929

約数の個数: 24

約数和(自身を含む): 42960544

約数和(自身を除く): 17570119

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 7873, 23619, 39365, 118095, 196825, 338539, 590475, 1015617, 1692695, 5078085, 8463475, 25390425]

約数ペア:

[(1, 25390425), (3, 8463475), (5, 5078085), (15, 1692695), (25, 1015617), (43, 590475), (75, 338539), (129, 196825), (215, 118095), (645, 39365), (1075, 23619), (3225, 7873)]