13880000

素因数分解:

$2^6\times 5^4\times {\mathrm{347}}^1$

素因数の和:379

約数の個数: 70

約数和(自身を含む): 34517076

約数和(自身を除く): 20637076

約数列:

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

約数ペア:

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