82740160

素因数分解:

$2^6\times 5^1\times {\mathrm{258563}}^1$

素因数の和:258580

約数の個数: 28

約数和(自身を含む): 197025768

約数和(自身を除く): 114285608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 258563, 517126, 1034252, 1292815, 2068504, 2585630, 4137008, 5171260, 8274016, 10342520, 16548032, 20685040, 41370080, 82740160]

約数ペア:

[(1, 82740160), (2, 41370080), (4, 20685040), (5, 16548032), (8, 10342520), (10, 8274016), (16, 5171260), (20, 4137008), (32, 2585630), (40, 2068504), (64, 1292815), (80, 1034252), (160, 517126), (320, 258563)]