12485000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{227}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 32052240

約数和(自身を除く): 19567240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 227, 250, 275, 440, 454, 500, 550, 625, 908, 1000, 1100, 1135, 1250, 1375, 1816, 2200, 2270, 2497, 2500, 2750, 4540, 4994, 5000, 5500, 5675, 6875, 9080, 9988, 11000, 11350, 12485, 13750, 19976, 22700, 24970, 27500, 28375, 45400, 49940, 55000, 56750, 62425, 99880, 113500, 124850, 141875, 227000, 249700, 283750, 312125, 499400, 567500, 624250, 1135000, 1248500, 1560625, 2497000, 3121250, 6242500, 12485000]

約数ペア:

[(1, 12485000), (2, 6242500), (4, 3121250), (5, 2497000), (8, 1560625), (10, 1248500), (11, 1135000), (20, 624250), (22, 567500), (25, 499400), (40, 312125), (44, 283750), (50, 249700), (55, 227000), (88, 141875), (100, 124850), (110, 113500), (125, 99880), (200, 62425), (220, 56750), (227, 55000), (250, 49940), (275, 45400), (440, 28375), (454, 27500), (500, 24970), (550, 22700), (625, 19976), (908, 13750), (1000, 12485), (1100, 11350), (1135, 11000), (1250, 9988), (1375, 9080), (1816, 6875), (2200, 5675), (2270, 5500), (2497, 5000), (2500, 4994), (2750, 4540)]