80496793040

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{479}}^1\times {\mathrm{25309}}^1$

素因数の和:25884

約数の個数: 80

約数和(自身を含む): 189812851200

約数和(自身を除く): 109316058160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 479, 664, 830, 958, 1328, 1660, 1916, 2395, 3320, 3832, 4790, 6640, 7664, 9580, 19160, 25309, 38320, 39757, 50618, 79514, 101236, 126545, 159028, 198785, 202472, 253090, 318056, 397570, 404944, 506180, 636112, 795140, 1012360, 1590280, 2024720, 2100647, 3180560, 4201294, 8402588, 10503235, 12123011, 16805176, 21006470, 24246022, 33610352, 42012940, 48492044, 60615055, 84025880, 96984088, 121230110, 168051760, 193968176, 242460220, 484920440, 969840880, 1006209913, 2012419826, 4024839652, 5031049565, 8049679304, 10062099130, 16099358608, 20124198260, 40248396520, 80496793040]

約数ペア:

[(1, 80496793040), (2, 40248396520), (4, 20124198260), (5, 16099358608), (8, 10062099130), (10, 8049679304), (16, 5031049565), (20, 4024839652), (40, 2012419826), (80, 1006209913), (83, 969840880), (166, 484920440), (332, 242460220), (415, 193968176), (479, 168051760), (664, 121230110), (830, 96984088), (958, 84025880), (1328, 60615055), (1660, 48492044), (1916, 42012940), (2395, 33610352), (3320, 24246022), (3832, 21006470), (4790, 16805176), (6640, 12123011), (7664, 10503235), (9580, 8402588), (19160, 4201294), (25309, 3180560), (38320, 2100647), (39757, 2024720), (50618, 1590280), (79514, 1012360), (101236, 795140), (126545, 636112), (159028, 506180), (198785, 404944), (202472, 397570), (253090, 318056)]