138610760

素因数分解:

$2^3\times 5^1\times {\mathrm{3465269}}^1$

素因数の和:3465280

約数の個数: 16

約数和(自身を含む): 311874300

約数和(自身を除く): 173263540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3465269, 6930538, 13861076, 17326345, 27722152, 34652690, 69305380, 138610760]

約数ペア:

[(1, 138610760), (2, 69305380), (4, 34652690), (5, 27722152), (8, 17326345), (10, 13861076), (20, 6930538), (40, 3465269)]