25182980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{66271}}^1$

素因数の和:66299

約数の個数: 24

約数和(自身を含む): 55668480

約数和(自身を除く): 30485500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 66271, 132542, 265084, 331355, 662710, 1259149, 1325420, 2518298, 5036596, 6295745, 12591490, 25182980]

約数ペア:

[(1, 25182980), (2, 12591490), (4, 6295745), (5, 5036596), (10, 2518298), (19, 1325420), (20, 1259149), (38, 662710), (76, 331355), (95, 265084), (190, 132542), (380, 66271)]