181007390

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{45139}}^1$

素因数の和:45547

約数の個数: 16

約数和(自身を含む): 326633040

約数和(自身を除く): 145625650

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 45139, 90278, 225695, 451390, 18100739, 36201478, 90503695, 181007390]

約数ペア:

[(1, 181007390), (2, 90503695), (5, 36201478), (10, 18100739), (401, 451390), (802, 225695), (2005, 90278), (4010, 45139)]