25404004

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{204871}}^1$

素因数の和:204906

約数の個数: 12

約数和(自身を含む): 45891328

約数和(自身を除く): 20487324

約数列:

[1, 2, 4, 31, 62, 124, 204871, 409742, 819484, 6351001, 12702002, 25404004]

約数ペア:

[(1, 25404004), (2, 12702002), (4, 6351001), (31, 819484), (62, 409742), (124, 204871)]