15523780

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7121}}^1$

素因数の和:7239

約数の個数: 24

約数和(自身を含む): 32903640

約数和(自身を除く): 17379860

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7121, 14242, 28484, 35605, 71210, 142420, 776189, 1552378, 3104756, 3880945, 7761890, 15523780]

約数ペア:

[(1, 15523780), (2, 7761890), (4, 3880945), (5, 3104756), (10, 1552378), (20, 776189), (109, 142420), (218, 71210), (436, 35605), (545, 28484), (1090, 14242), (2180, 7121)]