82560725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19541}}^1$

素因数の和:19577

約数の個数: 18

約数和(自身を含む): 110861766

約数和(自身を除く): 28301041

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 19541, 97705, 254033, 488525, 1270165, 3302429, 6350825, 16512145, 82560725]

約数ペア:

[(1, 82560725), (5, 16512145), (13, 6350825), (25, 3302429), (65, 1270165), (169, 488525), (325, 254033), (845, 97705), (4225, 19541)]