28108820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1832

約数の個数: 48

約数和(自身を含む): 63866880

約数和(自身を除く): 35758060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 1759, 3196, 3518, 3995, 7036, 7990, 8795, 15980, 17590, 29903, 35180, 59806, 82673, 119612, 149515, 165346, 299030, 330692, 413365, 598060, 826730, 1405441, 1653460, 2810882, 5621764, 7027205, 14054410, 28108820]

約数ペア:

[(1, 28108820), (2, 14054410), (4, 7027205), (5, 5621764), (10, 2810882), (17, 1653460), (20, 1405441), (34, 826730), (47, 598060), (68, 413365), (85, 330692), (94, 299030), (170, 165346), (188, 149515), (235, 119612), (340, 82673), (470, 59806), (799, 35180), (940, 29903), (1598, 17590), (1759, 15980), (3196, 8795), (3518, 7990), (3995, 7036)]