27760000

素因数分解:

$2^7\times 5^4\times {\mathrm{347}}^1$

素因数の和:381

約数の個数: 80

約数和(自身を含む): 69305940

約数和(自身を除く): 41545940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 347, 400, 500, 625, 640, 694, 800, 1000, 1250, 1388, 1600, 1735, 2000, 2500, 2776, 3200, 3470, 4000, 5000, 5552, 6940, 8000, 8675, 10000, 11104, 13880, 16000, 17350, 20000, 22208, 27760, 34700, 40000, 43375, 44416, 55520, 69400, 80000, 86750, 111040, 138800, 173500, 216875, 222080, 277600, 347000, 433750, 555200, 694000, 867500, 1110400, 1388000, 1735000, 2776000, 3470000, 5552000, 6940000, 13880000, 27760000]

約数ペア:

[(1, 27760000), (2, 13880000), (4, 6940000), (5, 5552000), (8, 3470000), (10, 2776000), (16, 1735000), (20, 1388000), (25, 1110400), (32, 867500), (40, 694000), (50, 555200), (64, 433750), (80, 347000), (100, 277600), (125, 222080), (128, 216875), (160, 173500), (200, 138800), (250, 111040), (320, 86750), (347, 80000), (400, 69400), (500, 55520), (625, 44416), (640, 43375), (694, 40000), (800, 34700), (1000, 27760), (1250, 22208), (1388, 20000), (1600, 17350), (1735, 16000), (2000, 13880), (2500, 11104), (2776, 10000), (3200, 8675), (3470, 8000), (4000, 6940), (5000, 5552)]