13205125

素因数分解:

$5^3\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 16614000

約数和(自身を除く): 3408875

約数列:

[1, 5, 25, 125, 149, 709, 745, 3545, 3725, 17725, 18625, 88625, 105641, 528205, 2641025, 13205125]

約数ペア:

[(1, 13205125), (5, 2641025), (25, 528205), (125, 105641), (149, 88625), (709, 18625), (745, 17725), (3545, 3725)]