31363660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14387}}^1$

素因数の和:14505

約数の個数: 24

約数和(自身を含む): 66472560

約数和(自身を除く): 35108900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 14387, 28774, 57548, 71935, 143870, 287740, 1568183, 3136366, 6272732, 7840915, 15681830, 31363660]

約数ペア:

[(1, 31363660), (2, 15681830), (4, 7840915), (5, 6272732), (10, 3136366), (20, 1568183), (109, 287740), (218, 143870), (436, 71935), (545, 57548), (1090, 28774), (2180, 14387)]