1720220916520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{947}}^1\times {\mathrm{1107619}}^1$

素因数の和:1108618

約数の個数: 64

約数和(自身を含む): 3969089812800

約数和(自身を除く): 2248868896280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 947, 1640, 1894, 3788, 4735, 7576, 9470, 18940, 37880, 38827, 77654, 155308, 194135, 310616, 388270, 776540, 1107619, 1553080, 2215238, 4430476, 5538095, 8860952, 11076190, 22152380, 44304760, 45412379, 90824758, 181649516, 227061895, 363299032, 454123790, 908247580, 1048915193, 1816495160, 2097830386, 4195660772, 5244575965, 8391321544, 10489151930, 20978303860, 41956607720, 43005522913, 86011045826, 172022091652, 215027614565, 344044183304, 430055229130, 860110458260, 1720220916520]

約数ペア:

[(1, 1720220916520), (2, 860110458260), (4, 430055229130), (5, 344044183304), (8, 215027614565), (10, 172022091652), (20, 86011045826), (40, 43005522913), (41, 41956607720), (82, 20978303860), (164, 10489151930), (205, 8391321544), (328, 5244575965), (410, 4195660772), (820, 2097830386), (947, 1816495160), (1640, 1048915193), (1894, 908247580), (3788, 454123790), (4735, 363299032), (7576, 227061895), (9470, 181649516), (18940, 90824758), (37880, 45412379), (38827, 44304760), (77654, 22152380), (155308, 11076190), (194135, 8860952), (310616, 5538095), (388270, 4430476), (776540, 2215238), (1107619, 1553080)]