2564725480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:971

約数の個数: 128

約数和(自身を含む): 6209602560

約数和(自身を除く): 3644877080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 61, 62, 82, 122, 124, 155, 164, 205, 244, 248, 305, 310, 328, 410, 488, 610, 620, 820, 827, 1220, 1240, 1271, 1640, 1654, 1891, 2440, 2501, 2542, 3308, 3782, 4135, 5002, 5084, 6355, 6616, 7564, 8270, 9455, 10004, 10168, 12505, 12710, 15128, 16540, 18910, 20008, 25010, 25420, 25637, 33080, 33907, 37820, 50020, 50447, 50840, 51274, 67814, 75640, 77531, 100040, 100894, 102548, 128185, 135628, 155062, 169535, 201788, 205096, 252235, 256370, 271256, 310124, 339070, 387655, 403576, 504470, 512740, 620248, 678140, 775310, 1008940, 1025480, 1051117, 1356280, 1550620, 1563857, 2017880, 2068327, 2102234, 3101240, 3127714, 4136654, 4204468, 5255585, 6255428, 7819285, 8273308, 8408936, 10341635, 10511170, 12510856, 15638570, 16546616, 20683270, 21022340, 31277140, 41366540, 42044680, 62554280, 64118137, 82733080, 128236274, 256472548, 320590685, 512945096, 641181370, 1282362740, 2564725480]

約数ペア:

[(1, 2564725480), (2, 1282362740), (4, 641181370), (5, 512945096), (8, 320590685), (10, 256472548), (20, 128236274), (31, 82733080), (40, 64118137), (41, 62554280), (61, 42044680), (62, 41366540), (82, 31277140), (122, 21022340), (124, 20683270), (155, 16546616), (164, 15638570), (205, 12510856), (244, 10511170), (248, 10341635), (305, 8408936), (310, 8273308), (328, 7819285), (410, 6255428), (488, 5255585), (610, 4204468), (620, 4136654), (820, 3127714), (827, 3101240), (1220, 2102234), (1240, 2068327), (1271, 2017880), (1640, 1563857), (1654, 1550620), (1891, 1356280), (2440, 1051117), (2501, 1025480), (2542, 1008940), (3308, 775310), (3782, 678140), (4135, 620248), (5002, 512740), (5084, 504470), (6355, 403576), (6616, 387655), (7564, 339070), (8270, 310124), (9455, 271256), (10004, 256370), (10168, 252235), (12505, 205096), (12710, 201788), (15128, 169535), (16540, 155062), (18910, 135628), (20008, 128185), (25010, 102548), (25420, 100894), (25637, 100040), (33080, 77531), (33907, 75640), (37820, 67814), (50020, 51274), (50447, 50840)]