66723725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8263}}^1$

素因数の和:8309

約数の個数: 24

約数和(自身を含む): 92226240

約数和(自身を除く): 25502515

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 8075, 8263, 41315, 140471, 156997, 206575, 702355, 784985, 2668949, 3511775, 3924925, 13344745, 66723725]

約数ペア:

[(1, 66723725), (5, 13344745), (17, 3924925), (19, 3511775), (25, 2668949), (85, 784985), (95, 702355), (323, 206575), (425, 156997), (475, 140471), (1615, 41315), (8075, 8263)]