26472860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{6719}}^1$

素因数の和:6925

約数の個数: 24

約数和(自身を含む): 55883520

約数和(自身を除く): 29410660

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 6719, 13438, 26876, 33595, 67190, 134380, 1323643, 2647286, 5294572, 6618215, 13236430, 26472860]

約数ペア:

[(1, 26472860), (2, 13236430), (4, 6618215), (5, 5294572), (10, 2647286), (20, 1323643), (197, 134380), (394, 67190), (788, 33595), (985, 26876), (1970, 13438), (3940, 6719)]