1320475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 1874880

約数和(自身を除く): 554405

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 239, 325, 425, 1105, 1195, 3107, 4063, 5525, 5975, 15535, 20315, 52819, 77675, 101575, 264095, 1320475]

約数ペア:

[(1, 1320475), (5, 264095), (13, 101575), (17, 77675), (25, 52819), (65, 20315), (85, 15535), (221, 5975), (239, 5525), (325, 4063), (425, 3107), (1105, 1195)]