25920505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{3529}}^1$

素因数の和:3660

約数の個数: 16

約数和(自身を含む): 33803280

約数和(自身を除く): 7882775

約数列:

[1, 5, 13, 65, 113, 565, 1469, 3529, 7345, 17645, 45877, 229385, 398777, 1993885, 5184101, 25920505]

約数ペア:

[(1, 25920505), (5, 5184101), (13, 1993885), (65, 398777), (113, 229385), (565, 45877), (1469, 17645), (3529, 7345)]