66968125

素因数分解:

$5^4\times 7^1\times {\mathrm{15307}}^1$

素因数の和:15334

約数の個数: 20

約数和(自身を含む): 95644384

約数和(自身を除く): 28676259

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 15307, 76535, 107149, 382675, 535745, 1913375, 2678725, 9566875, 13393625, 66968125]

約数ペア:

[(1, 66968125), (5, 13393625), (7, 9566875), (25, 2678725), (35, 1913375), (125, 535745), (175, 382675), (625, 107149), (875, 76535), (4375, 15307)]