139153880

素因数分解:

$2^3\times 5^1\times {\mathrm{3478847}}^1$

素因数の和:3478858

約数の個数: 16

約数和(自身を含む): 313096320

約数和(自身を除く): 173942440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3478847, 6957694, 13915388, 17394235, 27830776, 34788470, 69576940, 139153880]

約数ペア:

[(1, 139153880), (2, 69576940), (4, 34788470), (5, 27830776), (8, 17394235), (10, 13915388), (20, 6957694), (40, 3478847)]