28687120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4657}}^1$

素因数の和:4688

約数の個数: 80

約数和(自身を含む): 83173248

約数和(自身を除く): 54486128

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 4657, 6160, 9314, 18628, 23285, 32599, 37256, 46570, 51227, 65198, 74512, 93140, 102454, 130396, 162995, 186280, 204908, 256135, 260792, 325990, 358589, 372560, 409816, 512270, 521584, 651980, 717178, 819632, 1024540, 1303960, 1434356, 1792945, 2049080, 2607920, 2868712, 3585890, 4098160, 5737424, 7171780, 14343560, 28687120]

約数ペア:

[(1, 28687120), (2, 14343560), (4, 7171780), (5, 5737424), (7, 4098160), (8, 3585890), (10, 2868712), (11, 2607920), (14, 2049080), (16, 1792945), (20, 1434356), (22, 1303960), (28, 1024540), (35, 819632), (40, 717178), (44, 651980), (55, 521584), (56, 512270), (70, 409816), (77, 372560), (80, 358589), (88, 325990), (110, 260792), (112, 256135), (140, 204908), (154, 186280), (176, 162995), (220, 130396), (280, 102454), (308, 93140), (385, 74512), (440, 65198), (560, 51227), (616, 46570), (770, 37256), (880, 32599), (1232, 23285), (1540, 18628), (3080, 9314), (4657, 6160)]