80774144

素因数分解:

$2^{10}\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 88

約数和(自身を含む): 180398016

約数和(自身を除く): 99623872

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 101, 128, 142, 176, 202, 256, 284, 352, 404, 512, 568, 704, 781, 808, 1024, 1111, 1136, 1408, 1562, 1616, 2222, 2272, 2816, 3124, 3232, 4444, 4544, 5632, 6248, 6464, 7171, 8888, 9088, 11264, 12496, 12928, 14342, 17776, 18176, 24992, 25856, 28684, 35552, 36352, 49984, 51712, 57368, 71104, 72704, 78881, 99968, 103424, 114736, 142208, 157762, 199936, 229472, 284416, 315524, 399872, 458944, 568832, 631048, 799744, 917888, 1137664, 1262096, 1835776, 2524192, 3671552, 5048384, 7343104, 10096768, 20193536, 40387072, 80774144]

約数ペア:

[(1, 80774144), (2, 40387072), (4, 20193536), (8, 10096768), (11, 7343104), (16, 5048384), (22, 3671552), (32, 2524192), (44, 1835776), (64, 1262096), (71, 1137664), (88, 917888), (101, 799744), (128, 631048), (142, 568832), (176, 458944), (202, 399872), (256, 315524), (284, 284416), (352, 229472), (404, 199936), (512, 157762), (568, 142208), (704, 114736), (781, 103424), (808, 99968), (1024, 78881), (1111, 72704), (1136, 71104), (1408, 57368), (1562, 51712), (1616, 49984), (2222, 36352), (2272, 35552), (2816, 28684), (3124, 25856), (3232, 24992), (4444, 18176), (4544, 17776), (5632, 14342), (6248, 12928), (6464, 12496), (7171, 11264), (8888, 9088)]