25871105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{643}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 33539520

約数和(自身を除く): 7668415

約数列:

[1, 5, 13, 65, 619, 643, 3095, 3215, 8047, 8359, 40235, 41795, 398017, 1990085, 5174221, 25871105]

約数ペア:

[(1, 25871105), (5, 5174221), (13, 1990085), (65, 398017), (619, 41795), (643, 40235), (3095, 8359), (3215, 8047)]