23123780

素因数分解:

$2^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1787}}^1$

素因数の和:2443

約数の個数: 24

約数和(自身を含む): 48662208

約数和(自身を除く): 25538428

約数列:

[1, 2, 4, 5, 10, 20, 647, 1294, 1787, 2588, 3235, 3574, 6470, 7148, 8935, 12940, 17870, 35740, 1156189, 2312378, 4624756, 5780945, 11561890, 23123780]

約数ペア:

[(1, 23123780), (2, 11561890), (4, 5780945), (5, 4624756), (10, 2312378), (20, 1156189), (647, 35740), (1294, 17870), (1787, 12940), (2588, 8935), (3235, 7148), (3574, 6470)]