51310940

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{1723}}^1$

素因数の和:3221

約数の個数: 24

約数和(自身を含む): 107887920

約数和(自身を除く): 56576980

約数列:

[1, 2, 4, 5, 10, 20, 1489, 1723, 2978, 3446, 5956, 6892, 7445, 8615, 14890, 17230, 29780, 34460, 2565547, 5131094, 10262188, 12827735, 25655470, 51310940]

約数ペア:

[(1, 51310940), (2, 25655470), (4, 12827735), (5, 10262188), (10, 5131094), (20, 2565547), (1489, 34460), (1723, 29780), (2978, 17230), (3446, 14890), (5956, 8615), (6892, 7445)]