9135640

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{647}}^1$

素因数の和:1011

約数の個数: 32

約数和(自身を含む): 20645280

約数和(自身を除く): 11509640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 647, 706, 1294, 1412, 1765, 2588, 2824, 3235, 3530, 5176, 6470, 7060, 12940, 14120, 25880, 228391, 456782, 913564, 1141955, 1827128, 2283910, 4567820, 9135640]

約数ペア:

[(1, 9135640), (2, 4567820), (4, 2283910), (5, 1827128), (8, 1141955), (10, 913564), (20, 456782), (40, 228391), (353, 25880), (647, 14120), (706, 12940), (1294, 7060), (1412, 6470), (1765, 5176), (2588, 3530), (2824, 3235)]