9085640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1153}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 20564280

約数和(自身を除く): 11478640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1153, 1576, 1970, 2306, 3940, 4612, 5765, 7880, 9224, 11530, 23060, 46120, 227141, 454282, 908564, 1135705, 1817128, 2271410, 4542820, 9085640]

約数ペア:

[(1, 9085640), (2, 4542820), (4, 2271410), (5, 1817128), (8, 1135705), (10, 908564), (20, 454282), (40, 227141), (197, 46120), (394, 23060), (788, 11530), (985, 9224), (1153, 7880), (1576, 5765), (1970, 4612), (2306, 3940)]