13808080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 160

約数和(自身を含む): 40497408

約数和(自身を除く): 26689328

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 71, 80, 85, 88, 104, 110, 130, 136, 142, 143, 170, 176, 187, 208, 220, 221, 260, 272, 284, 286, 340, 355, 374, 440, 442, 520, 568, 572, 680, 710, 715, 748, 781, 880, 884, 923, 935, 1040, 1105, 1136, 1144, 1207, 1360, 1420, 1430, 1496, 1562, 1768, 1846, 1870, 2210, 2288, 2414, 2431, 2840, 2860, 2992, 3124, 3536, 3692, 3740, 3905, 4420, 4615, 4828, 4862, 5680, 5720, 6035, 6248, 7384, 7480, 7810, 8840, 9230, 9656, 9724, 10153, 11440, 12070, 12155, 12496, 13277, 14768, 14960, 15620, 15691, 17680, 18460, 19312, 19448, 20306, 24140, 24310, 26554, 31240, 31382, 36920, 38896, 40612, 48280, 48620, 50765, 53108, 62480, 62764, 66385, 73840, 78455, 81224, 96560, 97240, 101530, 106216, 125528, 132770, 156910, 162448, 172601, 194480, 203060, 212432, 251056, 265540, 313820, 345202, 406120, 531080, 627640, 690404, 812240, 863005, 1062160, 1255280, 1380808, 1726010, 2761616, 3452020, 6904040, 13808080]

約数ペア:

[(1, 13808080), (2, 6904040), (4, 3452020), (5, 2761616), (8, 1726010), (10, 1380808), (11, 1255280), (13, 1062160), (16, 863005), (17, 812240), (20, 690404), (22, 627640), (26, 531080), (34, 406120), (40, 345202), (44, 313820), (52, 265540), (55, 251056), (65, 212432), (68, 203060), (71, 194480), (80, 172601), (85, 162448), (88, 156910), (104, 132770), (110, 125528), (130, 106216), (136, 101530), (142, 97240), (143, 96560), (170, 81224), (176, 78455), (187, 73840), (208, 66385), (220, 62764), (221, 62480), (260, 53108), (272, 50765), (284, 48620), (286, 48280), (340, 40612), (355, 38896), (374, 36920), (440, 31382), (442, 31240), (520, 26554), (568, 24310), (572, 24140), (680, 20306), (710, 19448), (715, 19312), (748, 18460), (781, 17680), (880, 15691), (884, 15620), (923, 14960), (935, 14768), (1040, 13277), (1105, 12496), (1136, 12155), (1144, 12070), (1207, 11440), (1360, 10153), (1420, 9724), (1430, 9656), (1496, 9230), (1562, 8840), (1768, 7810), (1846, 7480), (1870, 7384), (2210, 6248), (2288, 6035), (2414, 5720), (2431, 5680), (2840, 4862), (2860, 4828), (2992, 4615), (3124, 4420), (3536, 3905), (3692, 3740)]