8390440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4463}}^1$

素因数の和:4521

約数の個数: 32

約数和(自身を含む): 19284480

約数和(自身を除く): 10894040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 4463, 8926, 17852, 22315, 35704, 44630, 89260, 178520, 209761, 419522, 839044, 1048805, 1678088, 2097610, 4195220, 8390440]

約数ペア:

[(1, 8390440), (2, 4195220), (4, 2097610), (5, 1678088), (8, 1048805), (10, 839044), (20, 419522), (40, 209761), (47, 178520), (94, 89260), (188, 44630), (235, 35704), (376, 22315), (470, 17852), (940, 8926), (1880, 4463)]