28105675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5087}}^1$

素因数の和:5127

約数の個数: 24

約数和(自身を含む): 39747456

約数和(自身を除く): 11641781

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5087, 5525, 25435, 66131, 86479, 127175, 330655, 432395, 1124227, 1653275, 2161975, 5621135, 28105675]

約数ペア:

[(1, 28105675), (5, 5621135), (13, 2161975), (17, 1653275), (25, 1124227), (65, 432395), (85, 330655), (221, 127175), (325, 86479), (425, 66131), (1105, 25435), (5087, 5525)]