2000291275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{20323}}^1$

素因数の和:20491

約数の個数: 24

約数和(自身を含む): 2580660224

約数和(自身を除く): 580368949

約数列:

[1, 5, 25, 31, 127, 155, 635, 775, 3175, 3937, 19685, 20323, 98425, 101615, 508075, 630013, 2581021, 3150065, 12905105, 15750325, 64525525, 80011651, 400058255, 2000291275]

約数ペア:

[(1, 2000291275), (5, 400058255), (25, 80011651), (31, 64525525), (127, 15750325), (155, 12905105), (635, 3150065), (775, 2581021), (3175, 630013), (3937, 508075), (19685, 101615), (20323, 98425)]