156713660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{71887}}^1$

素因数の和:72005

約数の個数: 24

約数和(自身を含む): 332122560

約数和(自身を除く): 175408900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 71887, 143774, 287548, 359435, 718870, 1437740, 7835683, 15671366, 31342732, 39178415, 78356830, 156713660]

約数ペア:

[(1, 156713660), (2, 78356830), (4, 39178415), (5, 31342732), (10, 15671366), (20, 7835683), (109, 1437740), (218, 718870), (436, 359435), (545, 287548), (1090, 143774), (2180, 71887)]