78598180

素因数分解:

$2^2\times 5^1\times {\mathrm{1439}}^1\times {\mathrm{2731}}^1$

素因数の和:4179

約数の個数: 24

約数和(自身を含む): 165231360

約数和(自身を除く): 86633180

約数列:

[1, 2, 4, 5, 10, 20, 1439, 2731, 2878, 5462, 5756, 7195, 10924, 13655, 14390, 27310, 28780, 54620, 3929909, 7859818, 15719636, 19649545, 39299090, 78598180]

約数ペア:

[(1, 78598180), (2, 39299090), (4, 19649545), (5, 15719636), (10, 7859818), (20, 3929909), (1439, 54620), (2731, 28780), (2878, 27310), (5462, 14390), (5756, 13655), (7195, 10924)]