80832208

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:739

約数の個数: 40

約数和(自身を含む): 160704000

約数和(自身を除く): 79871792

約数列:

[1, 2, 4, 8, 16, 53, 106, 199, 212, 398, 424, 479, 796, 848, 958, 1592, 1916, 3184, 3832, 7664, 10547, 21094, 25387, 42188, 50774, 84376, 95321, 101548, 168752, 190642, 203096, 381284, 406192, 762568, 1525136, 5052013, 10104026, 20208052, 40416104, 80832208]

約数ペア:

[(1, 80832208), (2, 40416104), (4, 20208052), (8, 10104026), (16, 5052013), (53, 1525136), (106, 762568), (199, 406192), (212, 381284), (398, 203096), (424, 190642), (479, 168752), (796, 101548), (848, 95321), (958, 84376), (1592, 50774), (1916, 42188), (3184, 25387), (3832, 21094), (7664, 10547)]