16780880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4463}}^1$

素因数の和:4523

約数の個数: 40

約数和(自身を含む): 39854592

約数和(自身を除く): 23073712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4463, 8926, 17852, 22315, 35704, 44630, 71408, 89260, 178520, 209761, 357040, 419522, 839044, 1048805, 1678088, 2097610, 3356176, 4195220, 8390440, 16780880]

約数ペア:

[(1, 16780880), (2, 8390440), (4, 4195220), (5, 3356176), (8, 2097610), (10, 1678088), (16, 1048805), (20, 839044), (40, 419522), (47, 357040), (80, 209761), (94, 178520), (188, 89260), (235, 71408), (376, 44630), (470, 35704), (752, 22315), (940, 17852), (1880, 8926), (3760, 4463)]