40960768

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:181

約数の個数: 54

約数和(自身を含む): 85056972

約数和(自身を除く): 44096204

約数列:

[1, 2, 4, 8, 16, 32, 43, 61, 64, 86, 122, 128, 172, 244, 256, 344, 488, 688, 976, 1376, 1952, 2623, 2752, 3721, 3904, 5246, 5504, 7442, 7808, 10492, 11008, 14884, 15616, 20984, 29768, 41968, 59536, 83936, 119072, 160003, 167872, 238144, 320006, 335744, 476288, 640012, 671488, 952576, 1280024, 2560048, 5120096, 10240192, 20480384, 40960768]

約数ペア:

[(1, 40960768), (2, 20480384), (4, 10240192), (8, 5120096), (16, 2560048), (32, 1280024), (43, 952576), (61, 671488), (64, 640012), (86, 476288), (122, 335744), (128, 320006), (172, 238144), (244, 167872), (256, 160003), (344, 119072), (488, 83936), (688, 59536), (976, 41968), (1376, 29768), (1952, 20984), (2623, 15616), (2752, 14884), (3721, 11008), (3904, 10492), (5246, 7808), (5504, 7442)]