11121440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 29393280

約数和(自身を除く): 18271840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 71, 80, 88, 89, 110, 142, 160, 176, 178, 220, 284, 352, 355, 356, 440, 445, 568, 710, 712, 781, 880, 890, 979, 1136, 1420, 1424, 1562, 1760, 1780, 1958, 2272, 2840, 2848, 3124, 3560, 3905, 3916, 4895, 5680, 6248, 6319, 7120, 7810, 7832, 9790, 11360, 12496, 12638, 14240, 15620, 15664, 19580, 24992, 25276, 31240, 31328, 31595, 39160, 50552, 62480, 63190, 69509, 78320, 101104, 124960, 126380, 139018, 156640, 202208, 252760, 278036, 347545, 505520, 556072, 695090, 1011040, 1112144, 1390180, 2224288, 2780360, 5560720, 11121440]

約数ペア:

[(1, 11121440), (2, 5560720), (4, 2780360), (5, 2224288), (8, 1390180), (10, 1112144), (11, 1011040), (16, 695090), (20, 556072), (22, 505520), (32, 347545), (40, 278036), (44, 252760), (55, 202208), (71, 156640), (80, 139018), (88, 126380), (89, 124960), (110, 101104), (142, 78320), (160, 69509), (176, 63190), (178, 62480), (220, 50552), (284, 39160), (352, 31595), (355, 31328), (356, 31240), (440, 25276), (445, 24992), (568, 19580), (710, 15664), (712, 15620), (781, 14240), (880, 12638), (890, 12496), (979, 11360), (1136, 9790), (1420, 7832), (1424, 7810), (1562, 7120), (1760, 6319), (1780, 6248), (1958, 5680), (2272, 4895), (2840, 3916), (2848, 3905), (3124, 3560)]