8224180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 18051264

約数和(自身を除く): 9827084

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 131, 146, 172, 215, 262, 292, 365, 430, 524, 655, 730, 860, 1310, 1460, 2620, 3139, 5633, 6278, 9563, 11266, 12556, 15695, 19126, 22532, 28165, 31390, 38252, 47815, 56330, 62780, 95630, 112660, 191260, 411209, 822418, 1644836, 2056045, 4112090, 8224180]

約数ペア:

[(1, 8224180), (2, 4112090), (4, 2056045), (5, 1644836), (10, 822418), (20, 411209), (43, 191260), (73, 112660), (86, 95630), (131, 62780), (146, 56330), (172, 47815), (215, 38252), (262, 31390), (292, 28165), (365, 22532), (430, 19126), (524, 15695), (655, 12556), (730, 11266), (860, 9563), (1310, 6278), (1460, 5633), (2620, 3139)]