42512180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{19501}}^1$

素因数の和:19619

約数の個数: 24

約数和(自身を含む): 90099240

約数和(自身を除く): 47587060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 19501, 39002, 78004, 97505, 195010, 390020, 2125609, 4251218, 8502436, 10628045, 21256090, 42512180]

約数ペア:

[(1, 42512180), (2, 21256090), (4, 10628045), (5, 8502436), (10, 4251218), (20, 2125609), (109, 390020), (218, 195010), (436, 97505), (545, 78004), (1090, 39002), (2180, 19501)]