80518000

素因数分解:

$2^4\times 5^3\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:467

約数の個数: 80

約数和(自身を含む): 196844544

約数和(自身を除く): 116326544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 127, 200, 250, 254, 317, 400, 500, 508, 634, 635, 1000, 1016, 1268, 1270, 1585, 2000, 2032, 2536, 2540, 3170, 3175, 5072, 5080, 6340, 6350, 7925, 10160, 12680, 12700, 15850, 15875, 25360, 25400, 31700, 31750, 39625, 40259, 50800, 63400, 63500, 79250, 80518, 126800, 127000, 158500, 161036, 201295, 254000, 317000, 322072, 402590, 634000, 644144, 805180, 1006475, 1610360, 2012950, 3220720, 4025900, 5032375, 8051800, 10064750, 16103600, 20129500, 40259000, 80518000]

約数ペア:

[(1, 80518000), (2, 40259000), (4, 20129500), (5, 16103600), (8, 10064750), (10, 8051800), (16, 5032375), (20, 4025900), (25, 3220720), (40, 2012950), (50, 1610360), (80, 1006475), (100, 805180), (125, 644144), (127, 634000), (200, 402590), (250, 322072), (254, 317000), (317, 254000), (400, 201295), (500, 161036), (508, 158500), (634, 127000), (635, 126800), (1000, 80518), (1016, 79250), (1268, 63500), (1270, 63400), (1585, 50800), (2000, 40259), (2032, 39625), (2536, 31750), (2540, 31700), (3170, 25400), (3175, 25360), (5072, 15875), (5080, 15850), (6340, 12700), (6350, 12680), (7925, 10160)]