80458025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8231}}^1$

素因数の和:8281

約数の個数: 24

約数和(自身を含む): 110242944

約数和(自身を除く): 29784919

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 8231, 9775, 41155, 139927, 189313, 205775, 699635, 946565, 3218321, 3498175, 4732825, 16091605, 80458025]

約数ペア:

[(1, 80458025), (5, 16091605), (17, 4732825), (23, 3498175), (25, 3218321), (85, 946565), (115, 699635), (391, 205775), (425, 189313), (575, 139927), (1955, 41155), (8231, 9775)]