25704860

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{1237}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 54075840

約数和(自身を除く): 28370980

約数列:

[1, 2, 4, 5, 10, 20, 1039, 1237, 2078, 2474, 4156, 4948, 5195, 6185, 10390, 12370, 20780, 24740, 1285243, 2570486, 5140972, 6426215, 12852430, 25704860]

約数ペア:

[(1, 25704860), (2, 12852430), (4, 6426215), (5, 5140972), (10, 2570486), (20, 1285243), (1039, 24740), (1237, 20780), (2078, 12370), (2474, 10390), (4156, 6185), (4948, 5195)]