1340895940

素因数分解:

$2^2\times 5^1\times {\mathrm{67044797}}^1$

素因数の和:67044806

約数の個数: 12

約数和(自身を含む): 2815881516

約数和(自身を除く): 1474985576

約数列:

[1, 2, 4, 5, 10, 20, 67044797, 134089594, 268179188, 335223985, 670447970, 1340895940]

約数ペア:

[(1, 1340895940), (2, 670447970), (4, 335223985), (5, 268179188), (10, 134089594), (20, 67044797)]