25007980

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{9127}}^1$

素因数の和:9273

約数の個数: 24

約数和(自身を含む): 52905888

約数和(自身を除く): 27897908

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 9127, 18254, 36508, 45635, 91270, 182540, 1250399, 2500798, 5001596, 6251995, 12503990, 25007980]

約数ペア:

[(1, 25007980), (2, 12503990), (4, 6251995), (5, 5001596), (10, 2500798), (20, 1250399), (137, 182540), (274, 91270), (548, 45635), (685, 36508), (1370, 18254), (2740, 9127)]