40904480

素因数分解:

$2^5\times 5^1\times {\mathrm{255653}}^1$

素因数の和:255668

約数の個数: 24

約数和(自身を含む): 96637212

約数和(自身を除く): 55732732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 255653, 511306, 1022612, 1278265, 2045224, 2556530, 4090448, 5113060, 8180896, 10226120, 20452240, 40904480]

約数ペア:

[(1, 40904480), (2, 20452240), (4, 10226120), (5, 8180896), (8, 5113060), (10, 4090448), (16, 2556530), (20, 2045224), (32, 1278265), (40, 1022612), (80, 511306), (160, 255653)]