28328960

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:539

約数の個数: 88

約数和(自身を含む): 74281536

約数和(自身を除く): 45952576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 503, 512, 640, 704, 880, 1006, 1024, 1280, 1408, 1760, 2012, 2515, 2560, 2816, 3520, 4024, 5030, 5120, 5533, 5632, 7040, 8048, 10060, 11066, 11264, 14080, 16096, 20120, 22132, 27665, 28160, 32192, 40240, 44264, 55330, 56320, 64384, 80480, 88528, 110660, 128768, 160960, 177056, 221320, 257536, 321920, 354112, 442640, 515072, 643840, 708224, 885280, 1287680, 1416448, 1770560, 2575360, 2832896, 3541120, 5665792, 7082240, 14164480, 28328960]

約数ペア:

[(1, 28328960), (2, 14164480), (4, 7082240), (5, 5665792), (8, 3541120), (10, 2832896), (11, 2575360), (16, 1770560), (20, 1416448), (22, 1287680), (32, 885280), (40, 708224), (44, 643840), (55, 515072), (64, 442640), (80, 354112), (88, 321920), (110, 257536), (128, 221320), (160, 177056), (176, 160960), (220, 128768), (256, 110660), (320, 88528), (352, 80480), (440, 64384), (503, 56320), (512, 55330), (640, 44264), (704, 40240), (880, 32192), (1006, 28160), (1024, 27665), (1280, 22132), (1408, 20120), (1760, 16096), (2012, 14080), (2515, 11264), (2560, 11066), (2816, 10060), (3520, 8048), (4024, 7040), (5030, 5632), (5120, 5533)]