13408025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 24

約数和(自身を含む): 17332224

約数和(自身を除く): 3924199

約数列:

[1, 5, 25, 41, 103, 127, 205, 515, 635, 1025, 2575, 3175, 4223, 5207, 13081, 21115, 26035, 65405, 105575, 130175, 327025, 536321, 2681605, 13408025]

約数ペア:

[(1, 13408025), (5, 2681605), (25, 536321), (41, 327025), (103, 130175), (127, 105575), (205, 65405), (515, 26035), (635, 21115), (1025, 13081), (2575, 5207), (3175, 4223)]