68168020

素因数分解:

$2^2\times 5^1\times {\mathrm{1193}}^1\times {\mathrm{2857}}^1$

素因数の和:4059

約数の個数: 24

約数和(自身を含む): 143322984

約数和(自身を除く): 75154964

約数列:

[1, 2, 4, 5, 10, 20, 1193, 2386, 2857, 4772, 5714, 5965, 11428, 11930, 14285, 23860, 28570, 57140, 3408401, 6816802, 13633604, 17042005, 34084010, 68168020]

約数ペア:

[(1, 68168020), (2, 34084010), (4, 17042005), (5, 13633604), (10, 6816802), (20, 3408401), (1193, 57140), (2386, 28570), (2857, 23860), (4772, 14285), (5714, 11930), (5965, 11428)]