21446325760

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{270241}}^1$

素因数の和:270295

約数の個数: 80

約数和(自身を含む): 53079852672

約数和(自身を除く): 31633526912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 39680, 79360, 270241, 540482, 1080964, 1351205, 2161928, 2702410, 4323856, 5404820, 8377471, 8647712, 10809640, 16754942, 17295424, 21619280, 33509884, 34590848, 41887355, 43238560, 67019768, 69181696, 83774710, 86477120, 134039536, 138363392, 167549420, 172954240, 268079072, 335098840, 345908480, 536158144, 670197680, 691816960, 1072316288, 1340395360, 2144632576, 2680790720, 4289265152, 5361581440, 10723162880, 21446325760]

約数ペア:

[(1, 21446325760), (2, 10723162880), (4, 5361581440), (5, 4289265152), (8, 2680790720), (10, 2144632576), (16, 1340395360), (20, 1072316288), (31, 691816960), (32, 670197680), (40, 536158144), (62, 345908480), (64, 335098840), (80, 268079072), (124, 172954240), (128, 167549420), (155, 138363392), (160, 134039536), (248, 86477120), (256, 83774710), (310, 69181696), (320, 67019768), (496, 43238560), (512, 41887355), (620, 34590848), (640, 33509884), (992, 21619280), (1240, 17295424), (1280, 16754942), (1984, 10809640), (2480, 8647712), (2560, 8377471), (3968, 5404820), (4960, 4323856), (7936, 2702410), (9920, 2161928), (15872, 1351205), (19840, 1080964), (39680, 540482), (79360, 270241)]