13385380

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{1669}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 28196280

約数和(自身を除く): 14810900

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 1669, 2005, 3338, 4010, 6676, 8020, 8345, 16690, 33380, 669269, 1338538, 2677076, 3346345, 6692690, 13385380]

約数ペア:

[(1, 13385380), (2, 6692690), (4, 3346345), (5, 2677076), (10, 1338538), (20, 669269), (401, 33380), (802, 16690), (1604, 8345), (1669, 8020), (2005, 6676), (3338, 4010)]