8207780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2549}}^1$

素因数の和:2588

約数の個数: 48

約数和(自身を含む): 20563200

約数和(自身を除く): 12355420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2549, 3220, 5098, 10196, 12745, 17843, 25490, 35686, 50980, 58627, 71372, 89215, 117254, 178430, 234508, 293135, 356860, 410389, 586270, 820778, 1172540, 1641556, 2051945, 4103890, 8207780]

約数ペア:

[(1, 8207780), (2, 4103890), (4, 2051945), (5, 1641556), (7, 1172540), (10, 820778), (14, 586270), (20, 410389), (23, 356860), (28, 293135), (35, 234508), (46, 178430), (70, 117254), (92, 89215), (115, 71372), (140, 58627), (161, 50980), (230, 35686), (322, 25490), (460, 17843), (644, 12745), (805, 10196), (1610, 5098), (2549, 3220)]