16968880

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4513}}^1$

素因数の和:4573

約数の個数: 40

約数和(自身を含む): 40300992

約数和(自身を除く): 23332112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 4513, 9026, 18052, 22565, 36104, 45130, 72208, 90260, 180520, 212111, 361040, 424222, 848444, 1060555, 1696888, 2121110, 3393776, 4242220, 8484440, 16968880]

約数ペア:

[(1, 16968880), (2, 8484440), (4, 4242220), (5, 3393776), (8, 2121110), (10, 1696888), (16, 1060555), (20, 848444), (40, 424222), (47, 361040), (80, 212111), (94, 180520), (188, 90260), (235, 72208), (376, 45130), (470, 36104), (752, 22565), (940, 18052), (1880, 9026), (3760, 4513)]