20251000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1$

素因数の和:302

約数の個数: 128

約数和(自身を含む): 59304960

約数和(自身を除く): 39053960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 125, 140, 154, 175, 200, 220, 250, 263, 275, 280, 308, 350, 385, 440, 500, 526, 550, 616, 700, 770, 875, 1000, 1052, 1100, 1315, 1375, 1400, 1540, 1750, 1841, 1925, 2104, 2200, 2630, 2750, 2893, 3080, 3500, 3682, 3850, 5260, 5500, 5786, 6575, 7000, 7364, 7700, 9205, 9625, 10520, 11000, 11572, 13150, 14465, 14728, 15400, 18410, 19250, 20251, 23144, 26300, 28930, 32875, 36820, 38500, 40502, 46025, 52600, 57860, 65750, 72325, 73640, 77000, 81004, 92050, 101255, 115720, 131500, 144650, 162008, 184100, 202510, 230125, 263000, 289300, 361625, 368200, 405020, 460250, 506275, 578600, 723250, 810040, 920500, 1012550, 1446500, 1841000, 2025100, 2531375, 2893000, 4050200, 5062750, 10125500, 20251000]

約数ペア:

[(1, 20251000), (2, 10125500), (4, 5062750), (5, 4050200), (7, 2893000), (8, 2531375), (10, 2025100), (11, 1841000), (14, 1446500), (20, 1012550), (22, 920500), (25, 810040), (28, 723250), (35, 578600), (40, 506275), (44, 460250), (50, 405020), (55, 368200), (56, 361625), (70, 289300), (77, 263000), (88, 230125), (100, 202510), (110, 184100), (125, 162008), (140, 144650), (154, 131500), (175, 115720), (200, 101255), (220, 92050), (250, 81004), (263, 77000), (275, 73640), (280, 72325), (308, 65750), (350, 57860), (385, 52600), (440, 46025), (500, 40502), (526, 38500), (550, 36820), (616, 32875), (700, 28930), (770, 26300), (875, 23144), (1000, 20251), (1052, 19250), (1100, 18410), (1315, 15400), (1375, 14728), (1400, 14465), (1540, 13150), (1750, 11572), (1841, 11000), (1925, 10520), (2104, 9625), (2200, 9205), (2630, 7700), (2750, 7364), (2893, 7000), (3080, 6575), (3500, 5786), (3682, 5500), (3850, 5260)]