55306400

素因数分解:

$2^5\times 5^2\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:546

約数の個数: 72

約数和(自身を含む): 136045980

約数和(自身を除く): 80739580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 257, 269, 400, 514, 538, 800, 1028, 1076, 1285, 1345, 2056, 2152, 2570, 2690, 4112, 4304, 5140, 5380, 6425, 6725, 8224, 8608, 10280, 10760, 12850, 13450, 20560, 21520, 25700, 26900, 41120, 43040, 51400, 53800, 69133, 102800, 107600, 138266, 205600, 215200, 276532, 345665, 553064, 691330, 1106128, 1382660, 1728325, 2212256, 2765320, 3456650, 5530640, 6913300, 11061280, 13826600, 27653200, 55306400]

約数ペア:

[(1, 55306400), (2, 27653200), (4, 13826600), (5, 11061280), (8, 6913300), (10, 5530640), (16, 3456650), (20, 2765320), (25, 2212256), (32, 1728325), (40, 1382660), (50, 1106128), (80, 691330), (100, 553064), (160, 345665), (200, 276532), (257, 215200), (269, 205600), (400, 138266), (514, 107600), (538, 102800), (800, 69133), (1028, 53800), (1076, 51400), (1285, 43040), (1345, 41120), (2056, 26900), (2152, 25700), (2570, 21520), (2690, 20560), (4112, 13450), (4304, 12850), (5140, 10760), (5380, 10280), (6425, 8608), (6725, 8224)]