25681940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{10111}}^1$

素因数の和:10247

約数の個数: 24

約数和(自身を含む): 54362112

約数和(自身を除く): 28680172

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 10111, 20222, 40444, 50555, 101110, 202220, 1284097, 2568194, 5136388, 6420485, 12840970, 25681940]

約数ペア:

[(1, 25681940), (2, 12840970), (4, 6420485), (5, 5136388), (10, 2568194), (20, 1284097), (127, 202220), (254, 101110), (508, 50555), (635, 40444), (1270, 20222), (2540, 10111)]