66074375

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1580

約数の個数: 20

約数和(自身を含む): 83785680

約数和(自身を除く): 17711305

約数列:

[1, 5, 25, 71, 125, 355, 625, 1489, 1775, 7445, 8875, 37225, 44375, 105719, 186125, 528595, 930625, 2642975, 13214875, 66074375]

約数ペア:

[(1, 66074375), (5, 13214875), (25, 2642975), (71, 930625), (125, 528595), (355, 186125), (625, 105719), (1489, 44375), (1775, 37225), (7445, 8875)]