2116880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:623

約数の個数: 40

約数和(自身を含む): 5035392

約数和(自身を除く): 2918512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 563, 752, 940, 1126, 1880, 2252, 2815, 3760, 4504, 5630, 9008, 11260, 22520, 26461, 45040, 52922, 105844, 132305, 211688, 264610, 423376, 529220, 1058440, 2116880]

約数ペア:

[(1, 2116880), (2, 1058440), (4, 529220), (5, 423376), (8, 264610), (10, 211688), (16, 132305), (20, 105844), (40, 52922), (47, 45040), (80, 26461), (94, 22520), (188, 11260), (235, 9008), (376, 5630), (470, 4504), (563, 3760), (752, 2815), (940, 2252), (1126, 1880)]