77201720

素因数分解:

$2^3\times 5^1\times {\mathrm{1930043}}^1$

素因数の和:1930054

約数の個数: 16

約数和(自身を含む): 173703960

約数和(自身を除く): 96502240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1930043, 3860086, 7720172, 9650215, 15440344, 19300430, 38600860, 77201720]

約数ペア:

[(1, 77201720), (2, 38600860), (4, 19300430), (5, 15440344), (8, 9650215), (10, 7720172), (20, 3860086), (40, 1930043)]