130353320

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{12391}}^1$

素因数の和:12665

約数の個数: 32

約数和(自身を含む): 294433920

約数和(自身を除く): 164080600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 12391, 24782, 49564, 61955, 99128, 123910, 247820, 495640, 3258833, 6517666, 13035332, 16294165, 26070664, 32588330, 65176660, 130353320]

約数ペア:

[(1, 130353320), (2, 65176660), (4, 32588330), (5, 26070664), (8, 16294165), (10, 13035332), (20, 6517666), (40, 3258833), (263, 495640), (526, 247820), (1052, 123910), (1315, 99128), (2104, 61955), (2630, 49564), (5260, 24782), (10520, 12391)]