55958840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199853}}^1$

素因数の和:199871

約数の個数: 32

約数和(自身を含む): 143894880

約数和(自身を除く): 87936040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 199853, 399706, 799412, 999265, 1398971, 1598824, 1998530, 2797942, 3997060, 5595884, 6994855, 7994120, 11191768, 13989710, 27979420, 55958840]

約数ペア:

[(1, 55958840), (2, 27979420), (4, 13989710), (5, 11191768), (7, 7994120), (8, 6994855), (10, 5595884), (14, 3997060), (20, 2797942), (28, 1998530), (35, 1598824), (40, 1398971), (56, 999265), (70, 799412), (140, 399706), (280, 199853)]