40665616

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{59107}}^1$

素因数の和:59158

約数の個数: 20

約数和(自身を含む): 80623312

約数和(自身を除く): 39957696

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 59107, 118214, 236428, 472856, 945712, 2541601, 5083202, 10166404, 20332808, 40665616]

約数ペア:

[(1, 40665616), (2, 20332808), (4, 10166404), (8, 5083202), (16, 2541601), (43, 945712), (86, 472856), (172, 236428), (344, 118214), (688, 59107)]