81671650

素因数分解:

$2^1\times 5^2\times {\mathrm{1097}}^1\times {\mathrm{1489}}^1$

素因数の和:2598

約数の個数: 24

約数和(自身を含む): 152149860

約数和(自身を除く): 70478210

約数列:

[1, 2, 5, 10, 25, 50, 1097, 1489, 2194, 2978, 5485, 7445, 10970, 14890, 27425, 37225, 54850, 74450, 1633433, 3266866, 8167165, 16334330, 40835825, 81671650]

約数ペア:

[(1, 81671650), (2, 40835825), (5, 16334330), (10, 8167165), (25, 3266866), (50, 1633433), (1097, 74450), (1489, 54850), (2194, 37225), (2978, 27425), (5485, 14890), (7445, 10970)]