2543740

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{659}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 5377680

約数和(自身を除く): 2833940

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 659, 772, 965, 1318, 1930, 2636, 3295, 3860, 6590, 13180, 127187, 254374, 508748, 635935, 1271870, 2543740]

約数ペア:

[(1, 2543740), (2, 1271870), (4, 635935), (5, 508748), (10, 254374), (20, 127187), (193, 13180), (386, 6590), (659, 3860), (772, 3295), (965, 2636), (1318, 1930)]