25653275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 33331200

約数和(自身を除く): 7677925

約数列:

[1, 5, 25, 31, 79, 155, 395, 419, 775, 1975, 2095, 2449, 10475, 12245, 12989, 33101, 61225, 64945, 165505, 324725, 827525, 1026131, 5130655, 25653275]

約数ペア:

[(1, 25653275), (5, 5130655), (25, 1026131), (31, 827525), (79, 324725), (155, 165505), (395, 64945), (419, 61225), (775, 33101), (1975, 12989), (2095, 12245), (2449, 10475)]