22495000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 57637800

約数和(自身を除く): 35142800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 409, 440, 500, 550, 625, 818, 1000, 1100, 1250, 1375, 1636, 2045, 2200, 2500, 2750, 3272, 4090, 4499, 5000, 5500, 6875, 8180, 8998, 10225, 11000, 13750, 16360, 17996, 20450, 22495, 27500, 35992, 40900, 44990, 51125, 55000, 81800, 89980, 102250, 112475, 179960, 204500, 224950, 255625, 409000, 449900, 511250, 562375, 899800, 1022500, 1124750, 2045000, 2249500, 2811875, 4499000, 5623750, 11247500, 22495000]

約数ペア:

[(1, 22495000), (2, 11247500), (4, 5623750), (5, 4499000), (8, 2811875), (10, 2249500), (11, 2045000), (20, 1124750), (22, 1022500), (25, 899800), (40, 562375), (44, 511250), (50, 449900), (55, 409000), (88, 255625), (100, 224950), (110, 204500), (125, 179960), (200, 112475), (220, 102250), (250, 89980), (275, 81800), (409, 55000), (440, 51125), (500, 44990), (550, 40900), (625, 35992), (818, 27500), (1000, 22495), (1100, 20450), (1250, 17996), (1375, 16360), (1636, 13750), (2045, 11000), (2200, 10225), (2500, 8998), (2750, 8180), (3272, 6875), (4090, 5500), (4499, 5000)]