13756480

素因数分解:

$2^6\times 5^1\times {\mathrm{42989}}^1$

素因数の和:43006

約数の個数: 28

約数和(自身を含む): 32758380

約数和(自身を除く): 19001900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 42989, 85978, 171956, 214945, 343912, 429890, 687824, 859780, 1375648, 1719560, 2751296, 3439120, 6878240, 13756480]

約数ペア:

[(1, 13756480), (2, 6878240), (4, 3439120), (5, 2751296), (8, 1719560), (10, 1375648), (16, 859780), (20, 687824), (32, 429890), (40, 343912), (64, 214945), (80, 171956), (160, 85978), (320, 42989)]