66755440

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1009}}^1$

素因数の和:1849

約数の個数: 40

約数和(自身を含む): 155548080

約数和(自身を除く): 88792640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1009, 1654, 2018, 3308, 4036, 4135, 5045, 6616, 8072, 8270, 10090, 13232, 16144, 16540, 20180, 33080, 40360, 66160, 80720, 834443, 1668886, 3337772, 4172215, 6675544, 8344430, 13351088, 16688860, 33377720, 66755440]

約数ペア:

[(1, 66755440), (2, 33377720), (4, 16688860), (5, 13351088), (8, 8344430), (10, 6675544), (16, 4172215), (20, 3337772), (40, 1668886), (80, 834443), (827, 80720), (1009, 66160), (1654, 40360), (2018, 33080), (3308, 20180), (4036, 16540), (4135, 16144), (5045, 13232), (6616, 10090), (8072, 8270)]