64993820

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{9643}}^1$

素因数の和:9989

約数の個数: 24

約数和(自身を含む): 136906224

約数和(自身を除く): 71912404

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 3370, 6740, 9643, 19286, 38572, 48215, 96430, 192860, 3249691, 6499382, 12998764, 16248455, 32496910, 64993820]

約数ペア:

[(1, 64993820), (2, 32496910), (4, 16248455), (5, 12998764), (10, 6499382), (20, 3249691), (337, 192860), (674, 96430), (1348, 48215), (1685, 38572), (3370, 19286), (6740, 9643)]