205320426280

素因数分解:

$2^3\times 5^1\times {\mathrm{5133010657}}^1$

素因数の和:5133010668

約数の個数: 16

約数和(自身を含む): 461970959220

約数和(自身を除く): 256650532940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5133010657, 10266021314, 20532042628, 25665053285, 41064085256, 51330106570, 102660213140, 205320426280]

約数ペア:

[(1, 205320426280), (2, 102660213140), (4, 51330106570), (5, 41064085256), (8, 25665053285), (10, 20532042628), (20, 10266021314), (40, 5133010657)]