42391190

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38891}}^1$

素因数の和:39007

約数の個数: 16

約数和(自身を含む): 77006160

約数和(自身を除く): 34614970

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 38891, 77782, 194455, 388910, 4239119, 8478238, 21195595, 42391190]

約数ペア:

[(1, 42391190), (2, 21195595), (5, 8478238), (10, 4239119), (109, 388910), (218, 194455), (545, 77782), (1090, 38891)]