51590180

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10037}}^1$

素因数の和:10303

約数の個数: 24

約数和(自身を含む): 108771768

約数和(自身を除く): 57181588

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 10037, 20074, 40148, 50185, 100370, 200740, 2579509, 5159018, 10318036, 12897545, 25795090, 51590180]

約数ペア:

[(1, 51590180), (2, 25795090), (4, 12897545), (5, 10318036), (10, 5159018), (20, 2579509), (257, 200740), (514, 100370), (1028, 50185), (1285, 40148), (2570, 20074), (5140, 10037)]