16650920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 128

約数和(自身を含む): 45722880

約数和(自身を除く): 29071960

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 41, 44, 52, 55, 65, 71, 82, 88, 104, 110, 130, 142, 143, 164, 205, 220, 260, 284, 286, 328, 355, 410, 440, 451, 520, 533, 568, 572, 710, 715, 781, 820, 902, 923, 1066, 1144, 1420, 1430, 1562, 1640, 1804, 1846, 2132, 2255, 2665, 2840, 2860, 2911, 3124, 3608, 3692, 3905, 4264, 4510, 4615, 5330, 5720, 5822, 5863, 6248, 7384, 7810, 9020, 9230, 10153, 10660, 11644, 11726, 14555, 15620, 18040, 18460, 20306, 21320, 23288, 23452, 29110, 29315, 31240, 32021, 36920, 37843, 40612, 46904, 50765, 58220, 58630, 64042, 75686, 81224, 101530, 116440, 117260, 128084, 151372, 160105, 189215, 203060, 234520, 256168, 302744, 320210, 378430, 406120, 416273, 640420, 756860, 832546, 1280840, 1513720, 1665092, 2081365, 3330184, 4162730, 8325460, 16650920]

約数ペア:

[(1, 16650920), (2, 8325460), (4, 4162730), (5, 3330184), (8, 2081365), (10, 1665092), (11, 1513720), (13, 1280840), (20, 832546), (22, 756860), (26, 640420), (40, 416273), (41, 406120), (44, 378430), (52, 320210), (55, 302744), (65, 256168), (71, 234520), (82, 203060), (88, 189215), (104, 160105), (110, 151372), (130, 128084), (142, 117260), (143, 116440), (164, 101530), (205, 81224), (220, 75686), (260, 64042), (284, 58630), (286, 58220), (328, 50765), (355, 46904), (410, 40612), (440, 37843), (451, 36920), (520, 32021), (533, 31240), (568, 29315), (572, 29110), (710, 23452), (715, 23288), (781, 21320), (820, 20306), (902, 18460), (923, 18040), (1066, 15620), (1144, 14555), (1420, 11726), (1430, 11644), (1562, 10660), (1640, 10153), (1804, 9230), (1846, 9020), (2132, 7810), (2255, 7384), (2665, 6248), (2840, 5863), (2860, 5822), (2911, 5720), (3124, 5330), (3608, 4615), (3692, 4510), (3905, 4264)]