7131880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{25471}}^1$

素因数の和:25489

約数の個数: 32

約数和(自身を含む): 18339840

約数和(自身を除く): 11207960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 25471, 50942, 101884, 127355, 178297, 203768, 254710, 356594, 509420, 713188, 891485, 1018840, 1426376, 1782970, 3565940, 7131880]

約数ペア:

[(1, 7131880), (2, 3565940), (4, 1782970), (5, 1426376), (7, 1018840), (8, 891485), (10, 713188), (14, 509420), (20, 356594), (28, 254710), (35, 203768), (40, 178297), (56, 127355), (70, 101884), (140, 50942), (280, 25471)]