205125425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{1559}}^1$

素因数の和:1865

約数の個数: 24

約数和(自身を含む): 268881600

約数和(自身を除く): 63756175

約数列:

[1, 5, 19, 25, 95, 277, 475, 1385, 1559, 5263, 6925, 7795, 26315, 29621, 38975, 131575, 148105, 431843, 740525, 2159215, 8205017, 10796075, 41025085, 205125425]

約数ペア:

[(1, 205125425), (5, 41025085), (19, 10796075), (25, 8205017), (95, 2159215), (277, 740525), (475, 431843), (1385, 148105), (1559, 131575), (5263, 38975), (6925, 29621), (7795, 26315)]