20122865120

素因数分解:

$2^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{919}}^1\times {\mathrm{1279}}^1$

素因数の和:2320

約数の個数: 96

約数和(自身を含む): 48074342400

約数和(自身を除く): 27951477280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 107, 160, 214, 428, 535, 856, 919, 1070, 1279, 1712, 1838, 2140, 2558, 3424, 3676, 4280, 4595, 5116, 6395, 7352, 8560, 9190, 10232, 12790, 14704, 17120, 18380, 20464, 25580, 29408, 36760, 40928, 51160, 73520, 98333, 102320, 136853, 147040, 196666, 204640, 273706, 393332, 491665, 547412, 684265, 786664, 983330, 1094824, 1175401, 1368530, 1573328, 1966660, 2189648, 2350802, 2737060, 3146656, 3933320, 4379296, 4701604, 5474120, 5877005, 7866640, 9403208, 10948240, 11754010, 15733280, 18806416, 21896480, 23508020, 37612832, 47016040, 94032080, 125767907, 188064160, 251535814, 503071628, 628839535, 1006143256, 1257679070, 2012286512, 2515358140, 4024573024, 5030716280, 10061432560, 20122865120]

約数ペア:

[(1, 20122865120), (2, 10061432560), (4, 5030716280), (5, 4024573024), (8, 2515358140), (10, 2012286512), (16, 1257679070), (20, 1006143256), (32, 628839535), (40, 503071628), (80, 251535814), (107, 188064160), (160, 125767907), (214, 94032080), (428, 47016040), (535, 37612832), (856, 23508020), (919, 21896480), (1070, 18806416), (1279, 15733280), (1712, 11754010), (1838, 10948240), (2140, 9403208), (2558, 7866640), (3424, 5877005), (3676, 5474120), (4280, 4701604), (4595, 4379296), (5116, 3933320), (6395, 3146656), (7352, 2737060), (8560, 2350802), (9190, 2189648), (10232, 1966660), (12790, 1573328), (14704, 1368530), (17120, 1175401), (18380, 1094824), (20464, 983330), (25580, 786664), (29408, 684265), (36760, 547412), (40928, 491665), (51160, 393332), (73520, 273706), (98333, 204640), (102320, 196666), (136853, 147040)]