64309040

素因数分解:

$2^4\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1759}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 149930880

約数和(自身を除く): 85621840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 457, 914, 1759, 1828, 2285, 3518, 3656, 4570, 7036, 7312, 8795, 9140, 14072, 17590, 18280, 28144, 35180, 36560, 70360, 140720, 803863, 1607726, 3215452, 4019315, 6430904, 8038630, 12861808, 16077260, 32154520, 64309040]

約数ペア:

[(1, 64309040), (2, 32154520), (4, 16077260), (5, 12861808), (8, 8038630), (10, 6430904), (16, 4019315), (20, 3215452), (40, 1607726), (80, 803863), (457, 140720), (914, 70360), (1759, 36560), (1828, 35180), (2285, 28144), (3518, 18280), (3656, 17590), (4570, 14072), (7036, 9140), (7312, 8795)]