8069769.00000000

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71339}}^1$

素因数の和:71359

約数の個数: 40

約数和(自身を含む): 106153920

約数和(自身を除く): 66204080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71339, 142678, 285356, 356695, 499373, 570712, 713390, 998746, 1141424, 1426780, 1997492, 2496865, 2853560, 3994984, 4993730, 5707120, 7989968, 9987460, 19974920, 39949840]

約数ペア:

[(1, 39949840), (2, 19974920), (4, 9987460), (5, 7989968), (7, 5707120), (8, 4993730), (10, 3994984), (14, 2853560), (16, 2496865), (20, 1997492), (28, 1426780), (35, 1141424), (40, 998746), (56, 713390), (70, 570712), (80, 499373), (112, 356695), (140, 285356), (280, 142678), (560, 71339)]