10868680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 25660800

約数和(自身を除く): 14792120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 89, 142, 172, 178, 215, 284, 344, 355, 356, 430, 445, 568, 710, 712, 860, 890, 1420, 1720, 1780, 2840, 3053, 3560, 3827, 6106, 6319, 7654, 12212, 12638, 15265, 15308, 19135, 24424, 25276, 30530, 30616, 31595, 38270, 50552, 61060, 63190, 76540, 122120, 126380, 153080, 252760, 271717, 543434, 1086868, 1358585, 2173736, 2717170, 5434340, 10868680]

約数ペア:

[(1, 10868680), (2, 5434340), (4, 2717170), (5, 2173736), (8, 1358585), (10, 1086868), (20, 543434), (40, 271717), (43, 252760), (71, 153080), (86, 126380), (89, 122120), (142, 76540), (172, 63190), (178, 61060), (215, 50552), (284, 38270), (344, 31595), (355, 30616), (356, 30530), (430, 25276), (445, 24424), (568, 19135), (710, 15308), (712, 15265), (860, 12638), (890, 12212), (1420, 7654), (1720, 6319), (1780, 6106), (2840, 3827), (3053, 3560)]