127949240

素因数分解:

$2^3\times 5^1\times {\mathrm{3198731}}^1$

素因数の和:3198742

約数の個数: 16

約数和(自身を含む): 287885880

約数和(自身を除く): 159936640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3198731, 6397462, 12794924, 15993655, 25589848, 31987310, 63974620, 127949240]

約数ペア:

[(1, 127949240), (2, 63974620), (4, 31987310), (5, 25589848), (8, 15993655), (10, 12794924), (20, 6397462), (40, 3198731)]