2557306225

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1\times {\mathrm{2689}}^1$

素因数の和:3157

約数の個数: 24

約数和(自身を含む): 3210515000

約数和(自身を除く): 653208775

約数列:

[1, 5, 25, 109, 349, 545, 1745, 2689, 2725, 8725, 13445, 38041, 67225, 190205, 293101, 938461, 951025, 1465505, 4692305, 7327525, 23461525, 102292249, 511461245, 2557306225]

約数ペア:

[(1, 2557306225), (5, 511461245), (25, 102292249), (109, 23461525), (349, 7327525), (545, 4692305), (1745, 1465505), (2689, 951025), (2725, 938461), (8725, 293101), (13445, 190205), (38041, 67225)]