848490640

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{41269}}^1$

素因数の和:41539

約数の個数: 40

約数和(自身を含む): 1980464760

約数和(自身を除く): 1131974120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 41269, 82538, 165076, 206345, 330152, 412690, 660304, 825380, 1650760, 3301520, 10606133, 21212266, 42424532, 53030665, 84849064, 106061330, 169698128, 212122660, 424245320, 848490640]

約数ペア:

[(1, 848490640), (2, 424245320), (4, 212122660), (5, 169698128), (8, 106061330), (10, 84849064), (16, 53030665), (20, 42424532), (40, 21212266), (80, 10606133), (257, 3301520), (514, 1650760), (1028, 825380), (1285, 660304), (2056, 412690), (2570, 330152), (4112, 206345), (5140, 165076), (10280, 82538), (20560, 41269)]