264051567320

素因数分解:

$2^3\times 5^1\times {\mathrm{51511}}^1\times {\mathrm{128153}}^1$

素因数の和:179675

約数の個数: 32

約数和(自身を含む): 594132196320

約数和(自身を除く): 330080629000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 51511, 103022, 128153, 206044, 256306, 257555, 412088, 512612, 515110, 640765, 1025224, 1030220, 1281530, 2060440, 2563060, 5126120, 6601289183, 13202578366, 26405156732, 33006445915, 52810313464, 66012891830, 132025783660, 264051567320]

約数ペア:

[(1, 264051567320), (2, 132025783660), (4, 66012891830), (5, 52810313464), (8, 33006445915), (10, 26405156732), (20, 13202578366), (40, 6601289183), (51511, 5126120), (103022, 2563060), (128153, 2060440), (206044, 1281530), (256306, 1030220), (257555, 1025224), (412088, 640765), (512612, 515110)]