9805240

素因数分解:

$2^3\times 5^1\times {\mathrm{245131}}^1$

素因数の和:245142

約数の個数: 16

約数和(自身を含む): 22061880

約数和(自身を除く): 12256640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 245131, 490262, 980524, 1225655, 1961048, 2451310, 4902620, 9805240]

約数ペア:

[(1, 9805240), (2, 4902620), (4, 2451310), (5, 1961048), (8, 1225655), (10, 980524), (20, 490262), (40, 245131)]