127952960

素因数分解:

$2^6\times 5^1\times {\mathrm{399853}}^1$

素因数の和:399870

約数の個数: 28

約数和(自身を含む): 304688748

約数和(自身を除く): 176735788

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 399853, 799706, 1599412, 1999265, 3198824, 3998530, 6397648, 7997060, 12795296, 15994120, 25590592, 31988240, 63976480, 127952960]

約数ペア:

[(1, 127952960), (2, 63976480), (4, 31988240), (5, 25590592), (8, 15994120), (10, 12795296), (16, 7997060), (20, 6397648), (32, 3998530), (40, 3198824), (64, 1999265), (80, 1599412), (160, 799706), (320, 399853)]