25722460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13259}}^1$

素因数の和:13365

約数の個数: 24

約数和(自身を含む): 54578160

約数和(自身を除く): 28855700

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 13259, 26518, 53036, 66295, 132590, 265180, 1286123, 2572246, 5144492, 6430615, 12861230, 25722460]

約数ペア:

[(1, 25722460), (2, 12861230), (4, 6430615), (5, 5144492), (10, 2572246), (20, 1286123), (97, 265180), (194, 132590), (388, 66295), (485, 53036), (970, 26518), (1940, 13259)]