29842840

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2903}}^1$

素因数の和:3171

約数の個数: 32

約数和(自身を含む): 67430880

約数和(自身を除く): 37588040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2903, 5140, 5806, 10280, 11612, 14515, 23224, 29030, 58060, 116120, 746071, 1492142, 2984284, 3730355, 5968568, 7460710, 14921420, 29842840]

約数ペア:

[(1, 29842840), (2, 14921420), (4, 7460710), (5, 5968568), (8, 3730355), (10, 2984284), (20, 1492142), (40, 746071), (257, 116120), (514, 58060), (1028, 29030), (1285, 23224), (2056, 14515), (2570, 11612), (2903, 10280), (5140, 5806)]