28754000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1307}}^1$

素因数の和:1341

約数の個数: 80

約数和(自身を含む): 75905856

約数和(自身を除く): 47151856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 400, 440, 500, 550, 880, 1000, 1100, 1307, 1375, 2000, 2200, 2614, 2750, 4400, 5228, 5500, 6535, 10456, 11000, 13070, 14377, 20912, 22000, 26140, 28754, 32675, 52280, 57508, 65350, 71885, 104560, 115016, 130700, 143770, 163375, 230032, 261400, 287540, 326750, 359425, 522800, 575080, 653500, 718850, 1150160, 1307000, 1437700, 1797125, 2614000, 2875400, 3594250, 5750800, 7188500, 14377000, 28754000]

約数ペア:

[(1, 28754000), (2, 14377000), (4, 7188500), (5, 5750800), (8, 3594250), (10, 2875400), (11, 2614000), (16, 1797125), (20, 1437700), (22, 1307000), (25, 1150160), (40, 718850), (44, 653500), (50, 575080), (55, 522800), (80, 359425), (88, 326750), (100, 287540), (110, 261400), (125, 230032), (176, 163375), (200, 143770), (220, 130700), (250, 115016), (275, 104560), (400, 71885), (440, 65350), (500, 57508), (550, 52280), (880, 32675), (1000, 28754), (1100, 26140), (1307, 22000), (1375, 20912), (2000, 14377), (2200, 13070), (2614, 11000), (2750, 10456), (4400, 6535), (5228, 5500)]