155500000

素因数分解:

$2^5\times 5^6\times {\mathrm{311}}^1$

素因数の和:351

約数の個数: 84

約数和(自身を含む): 383901336

約数和(自身を除く): 228401336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 311, 400, 500, 622, 625, 800, 1000, 1244, 1250, 1555, 2000, 2488, 2500, 3110, 3125, 4000, 4976, 5000, 6220, 6250, 7775, 9952, 10000, 12440, 12500, 15550, 15625, 20000, 24880, 25000, 31100, 31250, 38875, 49760, 50000, 62200, 62500, 77750, 100000, 124400, 125000, 155500, 194375, 248800, 250000, 311000, 388750, 500000, 622000, 777500, 971875, 1244000, 1555000, 1943750, 3110000, 3887500, 4859375, 6220000, 7775000, 9718750, 15550000, 19437500, 31100000, 38875000, 77750000, 155500000]

約数ペア:

[(1, 155500000), (2, 77750000), (4, 38875000), (5, 31100000), (8, 19437500), (10, 15550000), (16, 9718750), (20, 7775000), (25, 6220000), (32, 4859375), (40, 3887500), (50, 3110000), (80, 1943750), (100, 1555000), (125, 1244000), (160, 971875), (200, 777500), (250, 622000), (311, 500000), (400, 388750), (500, 311000), (622, 250000), (625, 248800), (800, 194375), (1000, 155500), (1244, 125000), (1250, 124400), (1555, 100000), (2000, 77750), (2488, 62500), (2500, 62200), (3110, 50000), (3125, 49760), (4000, 38875), (4976, 31250), (5000, 31100), (6220, 25000), (6250, 24880), (7775, 20000), (9952, 15625), (10000, 15550), (12440, 12500)]