66335440

素因数分解:

$2^4\times 5^1\times {\mathrm{829193}}^1$

素因数の和:829206

約数の個数: 20

約数和(自身を含む): 154230084

約数和(自身を除く): 87894644

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 829193, 1658386, 3316772, 4145965, 6633544, 8291930, 13267088, 16583860, 33167720, 66335440]

約数ペア:

[(1, 66335440), (2, 33167720), (4, 16583860), (5, 13267088), (8, 8291930), (10, 6633544), (16, 4145965), (20, 3316772), (40, 1658386), (80, 829193)]