15840656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{76157}}^1$

素因数の和:76178

約数の個数: 20

約数和(自身を含む): 33052572

約数和(自身を除く): 17211916

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 76157, 152314, 304628, 609256, 990041, 1218512, 1980082, 3960164, 7920328, 15840656]

約数ペア:

[(1, 15840656), (2, 7920328), (4, 3960164), (8, 1980082), (13, 1218512), (16, 990041), (26, 609256), (52, 304628), (104, 152314), (208, 76157)]