25682380

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4129}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 54119520

約数和(自身を除く): 28437140

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 4129, 6220, 8258, 16516, 20645, 41290, 82580, 1284119, 2568238, 5136476, 6420595, 12841190, 25682380]

約数ペア:

[(1, 25682380), (2, 12841190), (4, 6420595), (5, 5136476), (10, 2568238), (20, 1284119), (311, 82580), (622, 41290), (1244, 20645), (1555, 16516), (3110, 8258), (4129, 6220)]