80388984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257657}}^1$

素因数の和:257679

約数の個数: 32

約数和(自身を含む): 216432720

約数和(自身を除く): 136043736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 257657, 515314, 772971, 1030628, 1545942, 2061256, 3091884, 3349541, 6183768, 6699082, 10048623, 13398164, 20097246, 26796328, 40194492, 80388984]

約数ペア:

[(1, 80388984), (2, 40194492), (3, 26796328), (4, 20097246), (6, 13398164), (8, 10048623), (12, 6699082), (13, 6183768), (24, 3349541), (26, 3091884), (39, 2061256), (52, 1545942), (78, 1030628), (104, 772971), (156, 515314), (312, 257657)]