133328840

素因数分解:

$2^3\times 5^1\times {\mathrm{3333221}}^1$

素因数の和:3333232

約数の個数: 16

約数和(自身を含む): 299989980

約数和(自身を除く): 166661140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3333221, 6666442, 13332884, 16666105, 26665768, 33332210, 66664420, 133328840]

約数ペア:

[(1, 133328840), (2, 66664420), (4, 33332210), (5, 26665768), (8, 16666105), (10, 13332884), (20, 6666442), (40, 3333221)]