84439820

素因数分解:

$2^2\times 5^1\times {\mathrm{1913}}^1\times {\mathrm{2207}}^1$

素因数の和:4129

約数の個数: 24

約数和(自身を含む): 177496704

約数和(自身を除く): 93056884

約数列:

[1, 2, 4, 5, 10, 20, 1913, 2207, 3826, 4414, 7652, 8828, 9565, 11035, 19130, 22070, 38260, 44140, 4221991, 8443982, 16887964, 21109955, 42219910, 84439820]

約数ペア:

[(1, 84439820), (2, 42219910), (4, 21109955), (5, 16887964), (10, 8443982), (20, 4221991), (1913, 44140), (2207, 38260), (3826, 22070), (4414, 19130), (7652, 11035), (8828, 9565)]