78051520

素因数分解:

$2^6\times 5^1\times {\mathrm{243911}}^1$

素因数の和:243928

約数の個数: 28

約数和(自身を含む): 185860944

約数和(自身を除く): 107809424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 243911, 487822, 975644, 1219555, 1951288, 2439110, 3902576, 4878220, 7805152, 9756440, 15610304, 19512880, 39025760, 78051520]

約数ペア:

[(1, 78051520), (2, 39025760), (4, 19512880), (5, 15610304), (8, 9756440), (10, 7805152), (16, 4878220), (20, 3902576), (32, 2439110), (40, 1951288), (64, 1219555), (80, 975644), (160, 487822), (320, 243911)]