66156875

素因数分解:

$5^4\times {\mathrm{151}}^1\times {\mathrm{701}}^1$

素因数の和:872

約数の個数: 20

約数和(自身を含む): 83335824

約数和(自身を除く): 17178949

約数列:

[1, 5, 25, 125, 151, 625, 701, 755, 3505, 3775, 17525, 18875, 87625, 94375, 105851, 438125, 529255, 2646275, 13231375, 66156875]

約数ペア:

[(1, 66156875), (5, 13231375), (25, 2646275), (125, 529255), (151, 438125), (625, 105851), (701, 94375), (755, 87625), (3505, 18875), (3775, 17525)]