51691840

素因数分解:

$2^6\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2411}}^1$

素因数の和:2495

約数の個数: 56

約数和(自身を含む): 124980192

約数和(自身を除く): 73288352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 134, 160, 268, 320, 335, 536, 670, 1072, 1340, 2144, 2411, 2680, 4288, 4822, 5360, 9644, 10720, 12055, 19288, 21440, 24110, 38576, 48220, 77152, 96440, 154304, 161537, 192880, 323074, 385760, 646148, 771520, 807685, 1292296, 1615370, 2584592, 3230740, 5169184, 6461480, 10338368, 12922960, 25845920, 51691840]

約数ペア:

[(1, 51691840), (2, 25845920), (4, 12922960), (5, 10338368), (8, 6461480), (10, 5169184), (16, 3230740), (20, 2584592), (32, 1615370), (40, 1292296), (64, 807685), (67, 771520), (80, 646148), (134, 385760), (160, 323074), (268, 192880), (320, 161537), (335, 154304), (536, 96440), (670, 77152), (1072, 48220), (1340, 38576), (2144, 24110), (2411, 21440), (2680, 19288), (4288, 12055), (4822, 10720), (5360, 9644)]