42087860

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20431}}^1$

素因数の和:20543

約数の個数: 24

約数和(自身を含む): 89246976

約数和(自身を除く): 47159116

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 20431, 40862, 81724, 102155, 204310, 408620, 2104393, 4208786, 8417572, 10521965, 21043930, 42087860]

約数ペア:

[(1, 42087860), (2, 21043930), (4, 10521965), (5, 8417572), (10, 4208786), (20, 2104393), (103, 408620), (206, 204310), (412, 102155), (515, 81724), (1030, 40862), (2060, 20431)]