4140440

素因数分解:

$2^3\times 5^1\times {\mathrm{103511}}^1$

素因数の和:103522

約数の個数: 16

約数和(自身を含む): 9316080

約数和(自身を除く): 5175640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103511, 207022, 414044, 517555, 828088, 1035110, 2070220, 4140440]

約数ペア:

[(1, 4140440), (2, 2070220), (4, 1035110), (5, 828088), (8, 517555), (10, 414044), (20, 207022), (40, 103511)]