2821345280

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10597}}^1$

素因数の和:10639

約数の個数: 104

約数和(自身を含む): 7291890312

約数和(自身を除く): 4470545032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2048, 2080, 2560, 3328, 4096, 4160, 5120, 6656, 8320, 10240, 10597, 13312, 16640, 20480, 21194, 26624, 33280, 42388, 52985, 53248, 66560, 84776, 105970, 133120, 137761, 169552, 211940, 266240, 275522, 339104, 423880, 551044, 678208, 688805, 847760, 1102088, 1356416, 1377610, 1695520, 2204176, 2712832, 2755220, 3391040, 4408352, 5425664, 5510440, 6782080, 8816704, 10851328, 11020880, 13564160, 17633408, 21702656, 22041760, 27128320, 35266816, 43405312, 44083520, 54256640, 70533632, 88167040, 108513280, 141067264, 176334080, 217026560, 282134528, 352668160, 564269056, 705336320, 1410672640, 2821345280]

約数ペア:

[(1, 2821345280), (2, 1410672640), (4, 705336320), (5, 564269056), (8, 352668160), (10, 282134528), (13, 217026560), (16, 176334080), (20, 141067264), (26, 108513280), (32, 88167040), (40, 70533632), (52, 54256640), (64, 44083520), (65, 43405312), (80, 35266816), (104, 27128320), (128, 22041760), (130, 21702656), (160, 17633408), (208, 13564160), (256, 11020880), (260, 10851328), (320, 8816704), (416, 6782080), (512, 5510440), (520, 5425664), (640, 4408352), (832, 3391040), (1024, 2755220), (1040, 2712832), (1280, 2204176), (1664, 1695520), (2048, 1377610), (2080, 1356416), (2560, 1102088), (3328, 847760), (4096, 688805), (4160, 678208), (5120, 551044), (6656, 423880), (8320, 339104), (10240, 275522), (10597, 266240), (13312, 211940), (16640, 169552), (20480, 137761), (21194, 133120), (26624, 105970), (33280, 84776), (42388, 66560), (52985, 53248)]