51776740

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6521}}^1$

素因数の和:6927

約数の個数: 24

約数和(自身を含む): 109021752

約数和(自身を除く): 57245012

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 6521, 7940, 13042, 26084, 32605, 65210, 130420, 2588837, 5177674, 10355348, 12944185, 25888370, 51776740]

約数ペア:

[(1, 51776740), (2, 25888370), (4, 12944185), (5, 10355348), (10, 5177674), (20, 2588837), (397, 130420), (794, 65210), (1588, 32605), (1985, 26084), (3970, 13042), (6521, 7940)]