40450220

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4153}}^1$

素因数の和:4649

約数の個数: 24

約数和(自身を含む): 85140384

約数和(自身を除く): 44690164

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4153, 4870, 8306, 9740, 16612, 20765, 41530, 83060, 2022511, 4045022, 8090044, 10112555, 20225110, 40450220]

約数ペア:

[(1, 40450220), (2, 20225110), (4, 10112555), (5, 8090044), (10, 4045022), (20, 2022511), (487, 83060), (974, 41530), (1948, 20765), (2435, 16612), (4153, 9740), (4870, 8306)]