666561870080

素因数分解:

$2^8\times 5^1\times {\mathrm{520751461}}^1$

素因数の和:520751482

約数の個数: 36

約数和(自身を含む): 1596623982492

約数和(自身を除く): 930062112412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 520751461, 1041502922, 2083005844, 2603757305, 4166011688, 5207514610, 8332023376, 10415029220, 16664046752, 20830058440, 33328093504, 41660116880, 66656187008, 83320233760, 133312374016, 166640467520, 333280935040, 666561870080]

約数ペア:

[(1, 666561870080), (2, 333280935040), (4, 166640467520), (5, 133312374016), (8, 83320233760), (10, 66656187008), (16, 41660116880), (20, 33328093504), (32, 20830058440), (40, 16664046752), (64, 10415029220), (80, 8332023376), (128, 5207514610), (160, 4166011688), (256, 2603757305), (320, 2083005844), (640, 1041502922), (1280, 520751461)]