2560632016

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{399101}}^1$

素因数の和:399510

約数の個数: 20

約数和(自身を含む): 4973609124

約数和(自身を除く): 2412977108

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 399101, 798202, 1596404, 3192808, 6385616, 160039501, 320079002, 640158004, 1280316008, 2560632016]

約数ペア:

[(1, 2560632016), (2, 1280316008), (4, 640158004), (8, 320079002), (16, 160039501), (401, 6385616), (802, 3192808), (1604, 1596404), (3208, 798202), (6416, 399101)]