27906560

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1025

約数の個数: 80

約数和(自身を含む): 73066752

約数和(自身を除く): 45160192

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, 512, 640, 704, 880, 991, 1280, 1408, 1760, 1982, 2560, 2816, 3520, 3964, 4955, 5632, 7040, 7928, 9910, 10901, 14080, 15856, 19820, 21802, 28160, 31712, 39640, 43604, 54505, 63424, 79280, 87208, 109010, 126848, 158560, 174416, 218020, 253696, 317120, 348832, 436040, 507392, 634240, 697664, 872080, 1268480, 1395328, 1744160, 2536960, 2790656, 3488320, 5581312, 6976640, 13953280, 27906560]

約数ペア:

[(1, 27906560), (2, 13953280), (4, 6976640), (5, 5581312), (8, 3488320), (10, 2790656), (11, 2536960), (16, 1744160), (20, 1395328), (22, 1268480), (32, 872080), (40, 697664), (44, 634240), (55, 507392), (64, 436040), (80, 348832), (88, 317120), (110, 253696), (128, 218020), (160, 174416), (176, 158560), (220, 126848), (256, 109010), (320, 87208), (352, 79280), (440, 63424), (512, 54505), (640, 43604), (704, 39640), (880, 31712), (991, 28160), (1280, 21802), (1408, 19820), (1760, 15856), (1982, 14080), (2560, 10901), (2816, 9910), (3520, 7928), (3964, 7040), (4955, 5632)]