80140496

素因数分解:

$2^4\times {\mathrm{1091}}^1\times {\mathrm{4591}}^1$

素因数の和:5690

約数の個数: 20

約数和(自身を含む): 155448384

約数和(自身を除く): 75307888

約数列:

[1, 2, 4, 8, 16, 1091, 2182, 4364, 4591, 8728, 9182, 17456, 18364, 36728, 73456, 5008781, 10017562, 20035124, 40070248, 80140496]

約数ペア:

[(1, 80140496), (2, 40070248), (4, 20035124), (8, 10017562), (16, 5008781), (1091, 73456), (2182, 36728), (4364, 18364), (4591, 17456), (8728, 9182)]