51512740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{32603}}^1$

素因数の和:32691

約数の個数: 24

約数和(自身を含む): 109549440

約数和(自身を除く): 58036700

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 32603, 65206, 130412, 163015, 326030, 652060, 2575637, 5151274, 10302548, 12878185, 25756370, 51512740]

約数ペア:

[(1, 51512740), (2, 25756370), (4, 12878185), (5, 10302548), (10, 5151274), (20, 2575637), (79, 652060), (158, 326030), (316, 163015), (395, 130412), (790, 65206), (1580, 32603)]