16555520

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 24691840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 223, 232, 256, 290, 320, 446, 464, 512, 580, 640, 892, 928, 1115, 1160, 1280, 1784, 1856, 2230, 2320, 2560, 3568, 3712, 4460, 4640, 6467, 7136, 7424, 8920, 9280, 12934, 14272, 14848, 17840, 18560, 25868, 28544, 32335, 35680, 37120, 51736, 57088, 64670, 71360, 74240, 103472, 114176, 129340, 142720, 206944, 258680, 285440, 413888, 517360, 570880, 827776, 1034720, 1655552, 2069440, 3311104, 4138880, 8277760, 16555520]

約数ペア:

[(1, 16555520), (2, 8277760), (4, 4138880), (5, 3311104), (8, 2069440), (10, 1655552), (16, 1034720), (20, 827776), (29, 570880), (32, 517360), (40, 413888), (58, 285440), (64, 258680), (80, 206944), (116, 142720), (128, 129340), (145, 114176), (160, 103472), (223, 74240), (232, 71360), (256, 64670), (290, 57088), (320, 51736), (446, 37120), (464, 35680), (512, 32335), (580, 28544), (640, 25868), (892, 18560), (928, 17840), (1115, 14848), (1160, 14272), (1280, 12934), (1784, 9280), (1856, 8920), (2230, 7424), (2320, 7136), (2560, 6467), (3568, 4640), (3712, 4460)]