1280450128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1933}}^1\times {\mathrm{2179}}^1$

素因数の和:4139

約数の個数: 40

約数和(自身を含む): 2613994400

約数和(自身を除く): 1333544272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1933, 2179, 3866, 4358, 7732, 8716, 15464, 17432, 30928, 34864, 36727, 41401, 73454, 82802, 146908, 165604, 293816, 331208, 587632, 662416, 4212007, 8424014, 16848028, 33696056, 67392112, 80028133, 160056266, 320112532, 640225064, 1280450128]

約数ペア:

[(1, 1280450128), (2, 640225064), (4, 320112532), (8, 160056266), (16, 80028133), (19, 67392112), (38, 33696056), (76, 16848028), (152, 8424014), (304, 4212007), (1933, 662416), (2179, 587632), (3866, 331208), (4358, 293816), (7732, 165604), (8716, 146908), (15464, 82802), (17432, 73454), (30928, 41401), (34864, 36727)]