26746420

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12269}}^1$

素因数の和:12387

約数の個数: 24

約数和(自身を含む): 56687400

約数和(自身を除く): 29940980

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 12269, 24538, 49076, 61345, 122690, 245380, 1337321, 2674642, 5349284, 6686605, 13373210, 26746420]

約数ペア:

[(1, 26746420), (2, 13373210), (4, 6686605), (5, 5349284), (10, 2674642), (20, 1337321), (109, 245380), (218, 122690), (436, 61345), (545, 49076), (1090, 24538), (2180, 12269)]