86184040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{563}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 201009600

約数和(自身を除く): 114825560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 563, 712, 860, 890, 1126, 1720, 1780, 2252, 2815, 3560, 3827, 4504, 5630, 7654, 11260, 15308, 19135, 22520, 24209, 30616, 38270, 48418, 50107, 76540, 96836, 100214, 121045, 153080, 193672, 200428, 242090, 250535, 400856, 484180, 501070, 968360, 1002140, 2004280, 2154601, 4309202, 8618404, 10773005, 17236808, 21546010, 43092020, 86184040]

約数ペア:

[(1, 86184040), (2, 43092020), (4, 21546010), (5, 17236808), (8, 10773005), (10, 8618404), (20, 4309202), (40, 2154601), (43, 2004280), (86, 1002140), (89, 968360), (172, 501070), (178, 484180), (215, 400856), (344, 250535), (356, 242090), (430, 200428), (445, 193672), (563, 153080), (712, 121045), (860, 100214), (890, 96836), (1126, 76540), (1720, 50107), (1780, 48418), (2252, 38270), (2815, 30616), (3560, 24209), (3827, 22520), (4504, 19135), (5630, 15308), (7654, 11260)]