127481720

素因数分解:

$2^3\times 5^1\times {\mathrm{3187043}}^1$

素因数の和:3187054

約数の個数: 16

約数和(自身を含む): 286833960

約数和(自身を除く): 159352240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3187043, 6374086, 12748172, 15935215, 25496344, 31870430, 63740860, 127481720]

約数ペア:

[(1, 127481720), (2, 63740860), (4, 31870430), (5, 25496344), (8, 15935215), (10, 12748172), (20, 6374086), (40, 3187043)]