42248540

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20509}}^1$

素因数の和:20621

約数の個数: 24

約数和(自身を含む): 89587680

約数和(自身を除く): 47339140

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 20509, 41018, 82036, 102545, 205090, 410180, 2112427, 4224854, 8449708, 10562135, 21124270, 42248540]

約数ペア:

[(1, 42248540), (2, 21124270), (4, 10562135), (5, 8449708), (10, 4224854), (20, 2112427), (103, 410180), (206, 205090), (412, 102545), (515, 82036), (1030, 41018), (2060, 20509)]