56217640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1759}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 80639960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 340, 376, 470, 680, 799, 940, 1598, 1759, 1880, 3196, 3518, 3995, 6392, 7036, 7990, 8795, 14072, 15980, 17590, 29903, 31960, 35180, 59806, 70360, 82673, 119612, 149515, 165346, 239224, 299030, 330692, 413365, 598060, 661384, 826730, 1196120, 1405441, 1653460, 2810882, 3306920, 5621764, 7027205, 11243528, 14054410, 28108820, 56217640]

約数ペア:

[(1, 56217640), (2, 28108820), (4, 14054410), (5, 11243528), (8, 7027205), (10, 5621764), (17, 3306920), (20, 2810882), (34, 1653460), (40, 1405441), (47, 1196120), (68, 826730), (85, 661384), (94, 598060), (136, 413365), (170, 330692), (188, 299030), (235, 239224), (340, 165346), (376, 149515), (470, 119612), (680, 82673), (799, 70360), (940, 59806), (1598, 35180), (1759, 31960), (1880, 29903), (3196, 17590), (3518, 15980), (3995, 14072), (6392, 8795), (7036, 7990)]