142272440

素因数分解:

$2^3\times 5^1\times {\mathrm{3556811}}^1$

素因数の和:3556822

約数の個数: 16

約数和(自身を含む): 320113080

約数和(自身を除く): 177840640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3556811, 7113622, 14227244, 17784055, 28454488, 35568110, 71136220, 142272440]

約数ペア:

[(1, 142272440), (2, 71136220), (4, 35568110), (5, 28454488), (8, 17784055), (10, 14227244), (20, 7113622), (40, 3556811)]