2213665280

素因数分解:

$2^9\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1009}}^1$

素因数の和:1889

約数の個数: 80

約数和(自身を含む): 5319068040

約数和(自身を除く): 3105402760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 857, 1009, 1280, 1714, 2018, 2560, 3428, 4036, 4285, 5045, 6856, 8072, 8570, 10090, 13712, 16144, 17140, 20180, 27424, 32288, 34280, 40360, 54848, 64576, 68560, 80720, 109696, 129152, 137120, 161440, 219392, 258304, 274240, 322880, 438784, 516608, 548480, 645760, 864713, 1096960, 1291520, 1729426, 2193920, 2583040, 3458852, 4323565, 6917704, 8647130, 13835408, 17294260, 27670816, 34588520, 55341632, 69177040, 110683264, 138354080, 221366528, 276708160, 442733056, 553416320, 1106832640, 2213665280]

約数ペア:

[(1, 2213665280), (2, 1106832640), (4, 553416320), (5, 442733056), (8, 276708160), (10, 221366528), (16, 138354080), (20, 110683264), (32, 69177040), (40, 55341632), (64, 34588520), (80, 27670816), (128, 17294260), (160, 13835408), (256, 8647130), (320, 6917704), (512, 4323565), (640, 3458852), (857, 2583040), (1009, 2193920), (1280, 1729426), (1714, 1291520), (2018, 1096960), (2560, 864713), (3428, 645760), (4036, 548480), (4285, 516608), (5045, 438784), (6856, 322880), (8072, 274240), (8570, 258304), (10090, 219392), (13712, 161440), (16144, 137120), (17140, 129152), (20180, 109696), (27424, 80720), (32288, 68560), (34280, 64576), (40360, 54848)]