208179970

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{25733}}^1$

素因数の和:26549

約数の個数: 16

約数和(自身を含む): 375201720

約数和(自身を除く): 167021750

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 25733, 51466, 128665, 257330, 20817997, 41635994, 104089985, 208179970]

約数ペア:

[(1, 208179970), (2, 104089985), (5, 41635994), (10, 20817997), (809, 257330), (1618, 128665), (4045, 51466), (8090, 25733)]