90487000

素因数分解:

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

素因数の和:2269

約数の個数: 64

約数和(自身を含む): 217002240

約数和(自身を除く): 126515240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 500, 820, 1000, 1025, 1640, 2050, 2207, 4100, 4414, 5125, 8200, 8828, 10250, 11035, 17656, 20500, 22070, 41000, 44140, 55175, 88280, 90487, 110350, 180974, 220700, 275875, 361948, 441400, 452435, 551750, 723896, 904870, 1103500, 1809740, 2207000, 2262175, 3619480, 4524350, 9048700, 11310875, 18097400, 22621750, 45243500, 90487000]

約数ペア:

[(1, 90487000), (2, 45243500), (4, 22621750), (5, 18097400), (8, 11310875), (10, 9048700), (20, 4524350), (25, 3619480), (40, 2262175), (41, 2207000), (50, 1809740), (82, 1103500), (100, 904870), (125, 723896), (164, 551750), (200, 452435), (205, 441400), (250, 361948), (328, 275875), (410, 220700), (500, 180974), (820, 110350), (1000, 90487), (1025, 88280), (1640, 55175), (2050, 44140), (2207, 41000), (4100, 22070), (4414, 20500), (5125, 17656), (8200, 11035), (8828, 10250)]