51577240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 139345920

約数和(自身を除く): 87768680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 71, 88, 104, 110, 127, 130, 142, 143, 220, 254, 260, 284, 286, 355, 440, 508, 520, 568, 572, 635, 710, 715, 781, 923, 1016, 1144, 1270, 1397, 1420, 1430, 1562, 1651, 1846, 2540, 2794, 2840, 2860, 3124, 3302, 3692, 3905, 4615, 5080, 5588, 5720, 6248, 6604, 6985, 7384, 7810, 8255, 9017, 9230, 10153, 11176, 13208, 13970, 15620, 16510, 18034, 18161, 18460, 20306, 27940, 31240, 33020, 36068, 36322, 36920, 40612, 45085, 50765, 55880, 66040, 72136, 72644, 81224, 90170, 90805, 99187, 101530, 117221, 145288, 180340, 181610, 198374, 203060, 234442, 360680, 363220, 396748, 406120, 468884, 495935, 586105, 726440, 793496, 937768, 991870, 1172210, 1289431, 1983740, 2344420, 2578862, 3967480, 4688840, 5157724, 6447155, 10315448, 12894310, 25788620, 51577240]

約数ペア:

[(1, 51577240), (2, 25788620), (4, 12894310), (5, 10315448), (8, 6447155), (10, 5157724), (11, 4688840), (13, 3967480), (20, 2578862), (22, 2344420), (26, 1983740), (40, 1289431), (44, 1172210), (52, 991870), (55, 937768), (65, 793496), (71, 726440), (88, 586105), (104, 495935), (110, 468884), (127, 406120), (130, 396748), (142, 363220), (143, 360680), (220, 234442), (254, 203060), (260, 198374), (284, 181610), (286, 180340), (355, 145288), (440, 117221), (508, 101530), (520, 99187), (568, 90805), (572, 90170), (635, 81224), (710, 72644), (715, 72136), (781, 66040), (923, 55880), (1016, 50765), (1144, 45085), (1270, 40612), (1397, 36920), (1420, 36322), (1430, 36068), (1562, 33020), (1651, 31240), (1846, 27940), (2540, 20306), (2794, 18460), (2840, 18161), (2860, 18034), (3124, 16510), (3302, 15620), (3692, 13970), (3905, 13208), (4615, 11176), (5080, 10153), (5588, 9230), (5720, 9017), (6248, 8255), (6604, 7810), (6985, 7384)]