2657920

素因数分解:

$2^7\times 5^1\times {\mathrm{4153}}^1$

素因数の和:4172

約数の個数: 32

約数和(自身を含む): 6355620

約数和(自身を除く): 3697700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4153, 8306, 16612, 20765, 33224, 41530, 66448, 83060, 132896, 166120, 265792, 332240, 531584, 664480, 1328960, 2657920]

約数ペア:

[(1, 2657920), (2, 1328960), (4, 664480), (5, 531584), (8, 332240), (10, 265792), (16, 166120), (20, 132896), (32, 83060), (40, 66448), (64, 41530), (80, 33224), (128, 20765), (160, 16612), (320, 8306), (640, 4153)]