201240440

素因数分解:

$2^3\times 5^1\times {\mathrm{5031011}}^1$

素因数の和:5031022

約数の個数: 16

約数和(自身を含む): 452791080

約数和(自身を除く): 251550640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5031011, 10062022, 20124044, 25155055, 40248088, 50310110, 100620220, 201240440]

約数ペア:

[(1, 201240440), (2, 100620220), (4, 50310110), (5, 40248088), (8, 25155055), (10, 20124044), (20, 10062022), (40, 5031011)]