2012106640

素因数分解:

$2^4\times 5^1\times {\mathrm{25151333}}^1$

素因数の和:25151346

約数の個数: 20

約数和(自身を含む): 4678148124

約数和(自身を除く): 2666041484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25151333, 50302666, 100605332, 125756665, 201210664, 251513330, 402421328, 503026660, 1006053320, 2012106640]

約数ペア:

[(1, 2012106640), (2, 1006053320), (4, 503026660), (5, 402421328), (8, 251513330), (10, 201210664), (16, 125756665), (20, 100605332), (40, 50302666), (80, 25151333)]