18097400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2207}}^1$

素因数の和:2264

約数の個数: 48

約数和(自身を含む): 43122240

約数和(自身を除く): 25024840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 2207, 4100, 4414, 8200, 8828, 11035, 17656, 22070, 44140, 55175, 88280, 90487, 110350, 180974, 220700, 361948, 441400, 452435, 723896, 904870, 1809740, 2262175, 3619480, 4524350, 9048700, 18097400]

約数ペア:

[(1, 18097400), (2, 9048700), (4, 4524350), (5, 3619480), (8, 2262175), (10, 1809740), (20, 904870), (25, 723896), (40, 452435), (41, 441400), (50, 361948), (82, 220700), (100, 180974), (164, 110350), (200, 90487), (205, 88280), (328, 55175), (410, 44140), (820, 22070), (1025, 17656), (1640, 11035), (2050, 8828), (2207, 8200), (4100, 4414)]