20132968480

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1\times {\mathrm{3313}}^1$

素因数の和:5346

約数の個数: 96

約数和(自身を含む): 50107680000

約数和(自身を除く): 29974711520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 1999, 3040, 3313, 3998, 6626, 7996, 9995, 13252, 15992, 16565, 19990, 26504, 31984, 33130, 37981, 39980, 53008, 62947, 63968, 66260, 75962, 79960, 106016, 125894, 132520, 151924, 159920, 189905, 251788, 265040, 303848, 314735, 319840, 379810, 503576, 530080, 607696, 629470, 759620, 1007152, 1215392, 1258940, 1519240, 2014304, 2517880, 3038480, 5035760, 6076960, 6622687, 10071520, 13245374, 26490748, 33113435, 52981496, 66226870, 105962992, 125831053, 132453740, 211925984, 251662106, 264907480, 503324212, 529814960, 629155265, 1006648424, 1059629920, 1258310530, 2013296848, 2516621060, 4026593696, 5033242120, 10066484240, 20132968480]

約数ペア:

[(1, 20132968480), (2, 10066484240), (4, 5033242120), (5, 4026593696), (8, 2516621060), (10, 2013296848), (16, 1258310530), (19, 1059629920), (20, 1006648424), (32, 629155265), (38, 529814960), (40, 503324212), (76, 264907480), (80, 251662106), (95, 211925984), (152, 132453740), (160, 125831053), (190, 105962992), (304, 66226870), (380, 52981496), (608, 33113435), (760, 26490748), (1520, 13245374), (1999, 10071520), (3040, 6622687), (3313, 6076960), (3998, 5035760), (6626, 3038480), (7996, 2517880), (9995, 2014304), (13252, 1519240), (15992, 1258940), (16565, 1215392), (19990, 1007152), (26504, 759620), (31984, 629470), (33130, 607696), (37981, 530080), (39980, 503576), (53008, 379810), (62947, 319840), (63968, 314735), (66260, 303848), (75962, 265040), (79960, 251788), (106016, 189905), (125894, 159920), (132520, 151924)]