22018000

素因数分解:

$2^4\times 5^3\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 80

約数和(自身を含む): 54259920

約数和(自身を除く): 32241920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 101, 109, 125, 200, 202, 218, 250, 400, 404, 436, 500, 505, 545, 808, 872, 1000, 1010, 1090, 1616, 1744, 2000, 2020, 2180, 2525, 2725, 4040, 4360, 5050, 5450, 8080, 8720, 10100, 10900, 11009, 12625, 13625, 20200, 21800, 22018, 25250, 27250, 40400, 43600, 44036, 50500, 54500, 55045, 88072, 101000, 109000, 110090, 176144, 202000, 218000, 220180, 275225, 440360, 550450, 880720, 1100900, 1376125, 2201800, 2752250, 4403600, 5504500, 11009000, 22018000]

約数ペア:

[(1, 22018000), (2, 11009000), (4, 5504500), (5, 4403600), (8, 2752250), (10, 2201800), (16, 1376125), (20, 1100900), (25, 880720), (40, 550450), (50, 440360), (80, 275225), (100, 220180), (101, 218000), (109, 202000), (125, 176144), (200, 110090), (202, 109000), (218, 101000), (250, 88072), (400, 55045), (404, 54500), (436, 50500), (500, 44036), (505, 43600), (545, 40400), (808, 27250), (872, 25250), (1000, 22018), (1010, 21800), (1090, 20200), (1616, 13625), (1744, 12625), (2000, 11009), (2020, 10900), (2180, 10100), (2525, 8720), (2725, 8080), (4040, 5450), (4360, 5050)]