8807200

素因数分解:

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

素因数の和:230

約数の個数: 72

約数和(自身を含む): 21912660

約数和(自身を除く): 13105460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 101, 109, 160, 200, 202, 218, 400, 404, 436, 505, 545, 800, 808, 872, 1010, 1090, 1616, 1744, 2020, 2180, 2525, 2725, 3232, 3488, 4040, 4360, 5050, 5450, 8080, 8720, 10100, 10900, 11009, 16160, 17440, 20200, 21800, 22018, 40400, 43600, 44036, 55045, 80800, 87200, 88072, 110090, 176144, 220180, 275225, 352288, 440360, 550450, 880720, 1100900, 1761440, 2201800, 4403600, 8807200]

約数ペア:

[(1, 8807200), (2, 4403600), (4, 2201800), (5, 1761440), (8, 1100900), (10, 880720), (16, 550450), (20, 440360), (25, 352288), (32, 275225), (40, 220180), (50, 176144), (80, 110090), (100, 88072), (101, 87200), (109, 80800), (160, 55045), (200, 44036), (202, 43600), (218, 40400), (400, 22018), (404, 21800), (436, 20200), (505, 17440), (545, 16160), (800, 11009), (808, 10900), (872, 10100), (1010, 8720), (1090, 8080), (1616, 5450), (1744, 5050), (2020, 4360), (2180, 4040), (2525, 3488), (2725, 3232)]