1328960

素因数分解:

$2^6\times 5^1\times {\mathrm{4153}}^1$

素因数の和:4170

約数の個数: 28

約数和(自身を含む): 3165348

約数和(自身を除く): 1836388

約数列:

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

約数ペア:

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