42790970

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21503}}^1$

素因数の和:21709

約数の個数: 16

約数和(自身を含む): 77414400

約数和(自身を除く): 34623430

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 21503, 43006, 107515, 215030, 4279097, 8558194, 21395485, 42790970]

約数ペア:

[(1, 42790970), (2, 21395485), (5, 8558194), (10, 4279097), (199, 215030), (398, 107515), (995, 43006), (1990, 21503)]