259777024

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1321

約数の個数: 80

約数和(自身を含む): 577463040

約数和(自身を除く): 317686016

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 992, 1259, 1612, 1664, 1984, 2518, 3224, 3328, 3968, 5036, 6448, 6656, 7936, 10072, 12896, 15872, 16367, 20144, 25792, 32734, 39029, 40288, 51584, 65468, 78058, 80576, 103168, 130936, 156116, 161152, 206336, 261872, 312232, 322304, 507377, 523744, 624464, 644608, 1014754, 1047488, 1248928, 2029508, 2094976, 2497856, 4059016, 4189952, 4995712, 8118032, 8379904, 9991424, 16236064, 19982848, 32472128, 64944256, 129888512, 259777024]

約数ペア:

[(1, 259777024), (2, 129888512), (4, 64944256), (8, 32472128), (13, 19982848), (16, 16236064), (26, 9991424), (31, 8379904), (32, 8118032), (52, 4995712), (62, 4189952), (64, 4059016), (104, 2497856), (124, 2094976), (128, 2029508), (208, 1248928), (248, 1047488), (256, 1014754), (403, 644608), (416, 624464), (496, 523744), (512, 507377), (806, 322304), (832, 312232), (992, 261872), (1259, 206336), (1612, 161152), (1664, 156116), (1984, 130936), (2518, 103168), (3224, 80576), (3328, 78058), (3968, 65468), (5036, 51584), (6448, 40288), (6656, 39029), (7936, 32734), (10072, 25792), (12896, 20144), (15872, 16367)]