799985260

素因数分解:

$2^2\times 5^1\times {\mathrm{1559}}^1\times {\mathrm{25657}}^1$

素因数の和:27225

約数の個数: 24

約数和(自身を含む): 1681112160

約数和(自身を除く): 881126900

約数列:

[1, 2, 4, 5, 10, 20, 1559, 3118, 6236, 7795, 15590, 25657, 31180, 51314, 102628, 128285, 256570, 513140, 39999263, 79998526, 159997052, 199996315, 399992630, 799985260]

約数ペア:

[(1, 799985260), (2, 399992630), (4, 199996315), (5, 159997052), (10, 79998526), (20, 39999263), (1559, 513140), (3118, 256570), (6236, 128285), (7795, 102628), (15590, 51314), (25657, 31180)]