39801020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284293}}^1$

素因数の和:284309

約数の個数: 24

約数和(自身を含む): 95522784

約数和(自身を除く): 55721764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284293, 568586, 1137172, 1421465, 1990051, 2842930, 3980102, 5685860, 7960204, 9950255, 19900510, 39801020]

約数ペア:

[(1, 39801020), (2, 19900510), (4, 9950255), (5, 7960204), (7, 5685860), (10, 3980102), (14, 2842930), (20, 1990051), (28, 1421465), (35, 1137172), (70, 568586), (140, 284293)]