28317520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4597}}^1$

素因数の和:4628

約数の個数: 80

約数和(自身を含む): 82101888

約数和(自身を除く): 53784368

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, 4597, 6160, 9194, 18388, 22985, 32179, 36776, 45970, 50567, 64358, 73552, 91940, 101134, 128716, 160895, 183880, 202268, 252835, 257432, 321790, 353969, 367760, 404536, 505670, 514864, 643580, 707938, 809072, 1011340, 1287160, 1415876, 1769845, 2022680, 2574320, 2831752, 3539690, 4045360, 5663504, 7079380, 14158760, 28317520]

約数ペア:

[(1, 28317520), (2, 14158760), (4, 7079380), (5, 5663504), (7, 4045360), (8, 3539690), (10, 2831752), (11, 2574320), (14, 2022680), (16, 1769845), (20, 1415876), (22, 1287160), (28, 1011340), (35, 809072), (40, 707938), (44, 643580), (55, 514864), (56, 505670), (70, 404536), (77, 367760), (80, 353969), (88, 321790), (110, 257432), (112, 252835), (140, 202268), (154, 183880), (176, 160895), (220, 128716), (280, 101134), (308, 91940), (385, 73552), (440, 64358), (560, 50567), (616, 45970), (770, 36776), (880, 32179), (1232, 22985), (1540, 18388), (3080, 9194), (4597, 6160)]