84717880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{827}}^1$

素因数の和:1048

約数の個数: 64

約数和(自身を含む): 206569440

約数和(自身を除く): 121851560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 788, 827, 985, 1576, 1654, 1970, 2561, 3308, 3940, 4135, 5122, 6616, 7880, 8270, 10244, 10751, 12805, 16540, 20488, 21502, 25610, 33080, 43004, 51220, 53755, 86008, 102440, 107510, 162919, 215020, 325838, 430040, 651676, 814595, 1303352, 1629190, 2117947, 3258380, 4235894, 6516760, 8471788, 10589735, 16943576, 21179470, 42358940, 84717880]

約数ペア:

[(1, 84717880), (2, 42358940), (4, 21179470), (5, 16943576), (8, 10589735), (10, 8471788), (13, 6516760), (20, 4235894), (26, 3258380), (40, 2117947), (52, 1629190), (65, 1303352), (104, 814595), (130, 651676), (197, 430040), (260, 325838), (394, 215020), (520, 162919), (788, 107510), (827, 102440), (985, 86008), (1576, 53755), (1654, 51220), (1970, 43004), (2561, 33080), (3308, 25610), (3940, 21502), (4135, 20488), (5122, 16540), (6616, 12805), (7880, 10751), (8270, 10244)]