2079188080

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{238439}}^1$

素因数の和:238561

約数の個数: 40

約数和(自身を含む): 4878482400

約数和(自身を除く): 2799294320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 238439, 476878, 953756, 1192195, 1907512, 2384390, 3815024, 4768780, 9537560, 19075120, 25989851, 51979702, 103959404, 129949255, 207918808, 259898510, 415837616, 519797020, 1039594040, 2079188080]

約数ペア:

[(1, 2079188080), (2, 1039594040), (4, 519797020), (5, 415837616), (8, 259898510), (10, 207918808), (16, 129949255), (20, 103959404), (40, 51979702), (80, 25989851), (109, 19075120), (218, 9537560), (436, 4768780), (545, 3815024), (872, 2384390), (1090, 1907512), (1744, 1192195), (2180, 953756), (4360, 476878), (8720, 238439)]