80654000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{823}}^1$

素因数の和:860

約数の個数: 120

約数和(自身を含む): 227137248

約数和(自身を除く): 146483248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 823, 875, 980, 1000, 1225, 1400, 1646, 1750, 1960, 2000, 2450, 2800, 3292, 3500, 3920, 4115, 4900, 5761, 6125, 6584, 7000, 8230, 9800, 11522, 12250, 13168, 14000, 16460, 19600, 20575, 23044, 24500, 28805, 32920, 40327, 41150, 46088, 49000, 57610, 65840, 80654, 82300, 92176, 98000, 102875, 115220, 144025, 161308, 164600, 201635, 205750, 230440, 288050, 322616, 329200, 403270, 411500, 460880, 576100, 645232, 720125, 806540, 823000, 1008175, 1152200, 1440250, 1613080, 1646000, 2016350, 2304400, 2880500, 3226160, 4032700, 5040875, 5761000, 8065400, 10081750, 11522000, 16130800, 20163500, 40327000, 80654000]

約数ペア:

[(1, 80654000), (2, 40327000), (4, 20163500), (5, 16130800), (7, 11522000), (8, 10081750), (10, 8065400), (14, 5761000), (16, 5040875), (20, 4032700), (25, 3226160), (28, 2880500), (35, 2304400), (40, 2016350), (49, 1646000), (50, 1613080), (56, 1440250), (70, 1152200), (80, 1008175), (98, 823000), (100, 806540), (112, 720125), (125, 645232), (140, 576100), (175, 460880), (196, 411500), (200, 403270), (245, 329200), (250, 322616), (280, 288050), (350, 230440), (392, 205750), (400, 201635), (490, 164600), (500, 161308), (560, 144025), (700, 115220), (784, 102875), (823, 98000), (875, 92176), (980, 82300), (1000, 80654), (1225, 65840), (1400, 57610), (1646, 49000), (1750, 46088), (1960, 41150), (2000, 40327), (2450, 32920), (2800, 28805), (3292, 24500), (3500, 23044), (3920, 20575), (4115, 19600), (4900, 16460), (5761, 14000), (6125, 13168), (6584, 12250), (7000, 11522), (8230, 9800)]