28049120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15937}}^1$

素因数の和:15963

約数の個数: 48

約数和(自身を含む): 72294768

約数和(自身を除く): 44245648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 15937, 31874, 63748, 79685, 127496, 159370, 175307, 254992, 318740, 350614, 509984, 637480, 701228, 876535, 1274960, 1402456, 1753070, 2549920, 2804912, 3506140, 5609824, 7012280, 14024560, 28049120]

約数ペア:

[(1, 28049120), (2, 14024560), (4, 7012280), (5, 5609824), (8, 3506140), (10, 2804912), (11, 2549920), (16, 1753070), (20, 1402456), (22, 1274960), (32, 876535), (40, 701228), (44, 637480), (55, 509984), (80, 350614), (88, 318740), (110, 254992), (160, 175307), (176, 159370), (220, 127496), (352, 79685), (440, 63748), (880, 31874), (1760, 15937)]