1320929650

素因数分解:

$2^1\times 5^2\times {\mathrm{1297}}^1\times {\mathrm{20369}}^1$

素因数の和:21678

約数の個数: 24

約数和(自身を含む): 2458944180

約数和(自身を除く): 1138014530

約数列:

[1, 2, 5, 10, 25, 50, 1297, 2594, 6485, 12970, 20369, 32425, 40738, 64850, 101845, 203690, 509225, 1018450, 26418593, 52837186, 132092965, 264185930, 660464825, 1320929650]

約数ペア:

[(1, 1320929650), (2, 660464825), (5, 264185930), (10, 132092965), (25, 52837186), (50, 26418593), (1297, 1018450), (2594, 509225), (6485, 203690), (12970, 101845), (20369, 64850), (32425, 40738)]