15724340

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{7213}}^1$

素因数の和:7331

約数の個数: 24

約数和(自身を含む): 33328680

約数和(自身を除く): 17604340

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 7213, 14426, 28852, 36065, 72130, 144260, 786217, 1572434, 3144868, 3931085, 7862170, 15724340]

約数ペア:

[(1, 15724340), (2, 7862170), (4, 3931085), (5, 3144868), (10, 1572434), (20, 786217), (109, 144260), (218, 72130), (436, 36065), (545, 28852), (1090, 14426), (2180, 7213)]