80967925

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{691}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 103827680

約数和(自身を除く): 22859755

約数列:

[1, 5, 25, 43, 109, 215, 545, 691, 1075, 2725, 3455, 4687, 17275, 23435, 29713, 75319, 117175, 148565, 376595, 742825, 1882975, 3238717, 16193585, 80967925]

約数ペア:

[(1, 80967925), (5, 16193585), (25, 3238717), (43, 1882975), (109, 742825), (215, 376595), (545, 148565), (691, 117175), (1075, 75319), (2725, 29713), (3455, 23435), (4687, 17275)]