102440840

素因数分解:

$2^3\times 5^1\times {\mathrm{2561021}}^1$

素因数の和:2561032

約数の個数: 16

約数和(自身を含む): 230491980

約数和(自身を除く): 128051140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2561021, 5122042, 10244084, 12805105, 20488168, 25610210, 51220420, 102440840]

約数ペア:

[(1, 102440840), (2, 51220420), (4, 25610210), (5, 20488168), (8, 12805105), (10, 10244084), (20, 5122042), (40, 2561021)]