66740225

素因数分解:

$5^2\times {\mathrm{659}}^1\times {\mathrm{4051}}^1$

素因数の和:4720

約数の個数: 12

約数和(自身を含む): 82903920

約数和(自身を除く): 16163695

約数列:

[1, 5, 25, 659, 3295, 4051, 16475, 20255, 101275, 2669609, 13348045, 66740225]

約数ペア:

[(1, 66740225), (5, 13348045), (25, 2669609), (659, 101275), (3295, 20255), (4051, 16475)]