40220778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{515651}}^1$

素因数の和:515669

約数の個数: 16

約数和(自身を含む): 86629536

約数和(自身を除く): 46408758

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 515651, 1031302, 1546953, 3093906, 6703463, 13406926, 20110389, 40220778]

約数ペア:

[(1, 40220778), (2, 20110389), (3, 13406926), (6, 6703463), (13, 3093906), (26, 1546953), (39, 1031302), (78, 515651)]