39457804520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{463}}^1$

素因数の和:883

約数の個数: 128

約数和(自身を含む): 91203840000

約数和(自身を除く): 51746035480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 149, 158, 181, 298, 316, 362, 395, 463, 596, 632, 724, 745, 790, 905, 926, 1192, 1448, 1490, 1580, 1810, 1852, 2315, 2980, 3160, 3620, 3704, 4630, 5960, 7240, 9260, 11771, 14299, 18520, 23542, 26969, 28598, 36577, 47084, 53938, 57196, 58855, 68987, 71495, 73154, 83803, 94168, 107876, 114392, 117710, 134845, 137974, 142990, 146308, 167606, 182885, 215752, 235420, 269690, 275948, 285980, 292616, 335212, 344935, 365770, 419015, 470840, 539380, 551896, 571960, 670424, 689870, 731540, 838030, 1078760, 1379740, 1463080, 1676060, 2130551, 2759480, 3352120, 4261102, 5449973, 6620437, 8522204, 10652755, 10899946, 12486647, 13240874, 17044408, 21305510, 21799892, 24973294, 26481748, 27249865, 33102185, 42611020, 43599784, 49946588, 52963496, 54499730, 62433235, 66204370, 85222040, 99893176, 108999460, 124866470, 132408740, 217998920, 249732940, 264817480, 499465880, 986445113, 1972890226, 3945780452, 4932225565, 7891560904, 9864451130, 19728902260, 39457804520]

約数ペア:

[(1, 39457804520), (2, 19728902260), (4, 9864451130), (5, 7891560904), (8, 4932225565), (10, 3945780452), (20, 1972890226), (40, 986445113), (79, 499465880), (149, 264817480), (158, 249732940), (181, 217998920), (298, 132408740), (316, 124866470), (362, 108999460), (395, 99893176), (463, 85222040), (596, 66204370), (632, 62433235), (724, 54499730), (745, 52963496), (790, 49946588), (905, 43599784), (926, 42611020), (1192, 33102185), (1448, 27249865), (1490, 26481748), (1580, 24973294), (1810, 21799892), (1852, 21305510), (2315, 17044408), (2980, 13240874), (3160, 12486647), (3620, 10899946), (3704, 10652755), (4630, 8522204), (5960, 6620437), (7240, 5449973), (9260, 4261102), (11771, 3352120), (14299, 2759480), (18520, 2130551), (23542, 1676060), (26969, 1463080), (28598, 1379740), (36577, 1078760), (47084, 838030), (53938, 731540), (57196, 689870), (58855, 670424), (68987, 571960), (71495, 551896), (73154, 539380), (83803, 470840), (94168, 419015), (107876, 365770), (114392, 344935), (117710, 335212), (134845, 292616), (137974, 285980), (142990, 275948), (146308, 269690), (167606, 235420), (182885, 215752)]