9881240

素因数分解:

$2^3\times 5^1\times {\mathrm{247031}}^1$

素因数の和:247042

約数の個数: 16

約数和(自身を含む): 22232880

約数和(自身を除く): 12351640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247031, 494062, 988124, 1235155, 1976248, 2470310, 4940620, 9881240]

約数ペア:

[(1, 9881240), (2, 4940620), (4, 2470310), (5, 1976248), (8, 1235155), (10, 988124), (20, 494062), (40, 247031)]