39051880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1$

素因数の和:890

約数の個数: 64

約数和(自身を含む): 101047680

約数和(自身を除く): 61995800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 661, 844, 1055, 1322, 1477, 1688, 2110, 2644, 2954, 3305, 4220, 4627, 5288, 5908, 6610, 7385, 8440, 9254, 11816, 13220, 14770, 18508, 23135, 26440, 29540, 37016, 46270, 59080, 92540, 139471, 185080, 278942, 557884, 697355, 976297, 1115768, 1394710, 1952594, 2789420, 3905188, 4881485, 5578840, 7810376, 9762970, 19525940, 39051880]

約数ペア:

[(1, 39051880), (2, 19525940), (4, 9762970), (5, 7810376), (7, 5578840), (8, 4881485), (10, 3905188), (14, 2789420), (20, 1952594), (28, 1394710), (35, 1115768), (40, 976297), (56, 697355), (70, 557884), (140, 278942), (211, 185080), (280, 139471), (422, 92540), (661, 59080), (844, 46270), (1055, 37016), (1322, 29540), (1477, 26440), (1688, 23135), (2110, 18508), (2644, 14770), (2954, 13220), (3305, 11816), (4220, 9254), (4627, 8440), (5288, 7385), (5908, 6610)]