65140240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 167489280

約数和(自身を除く): 102349040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 79, 80, 88, 110, 158, 176, 220, 316, 395, 440, 632, 790, 869, 880, 937, 1264, 1580, 1738, 1874, 3160, 3476, 3748, 4345, 4685, 6320, 6952, 7496, 8690, 9370, 10307, 13904, 14992, 17380, 18740, 20614, 34760, 37480, 41228, 51535, 69520, 74023, 74960, 82456, 103070, 148046, 164912, 206140, 296092, 370115, 412280, 592184, 740230, 814253, 824560, 1184368, 1480460, 1628506, 2960920, 3257012, 4071265, 5921840, 6514024, 8142530, 13028048, 16285060, 32570120, 65140240]

約数ペア:

[(1, 65140240), (2, 32570120), (4, 16285060), (5, 13028048), (8, 8142530), (10, 6514024), (11, 5921840), (16, 4071265), (20, 3257012), (22, 2960920), (40, 1628506), (44, 1480460), (55, 1184368), (79, 824560), (80, 814253), (88, 740230), (110, 592184), (158, 412280), (176, 370115), (220, 296092), (316, 206140), (395, 164912), (440, 148046), (632, 103070), (790, 82456), (869, 74960), (880, 74023), (937, 69520), (1264, 51535), (1580, 41228), (1738, 37480), (1874, 34760), (3160, 20614), (3476, 18740), (3748, 17380), (4345, 14992), (4685, 13904), (6320, 10307), (6952, 9370), (7496, 8690)]