16267760

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4729}}^1$

素因数の和:4785

約数の個数: 40

約数和(自身を含む): 38710320

約数和(自身を除く): 22442560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 4729, 9458, 18916, 23645, 37832, 47290, 75664, 94580, 189160, 203347, 378320, 406694, 813388, 1016735, 1626776, 2033470, 3253552, 4066940, 8133880, 16267760]

約数ペア:

[(1, 16267760), (2, 8133880), (4, 4066940), (5, 3253552), (8, 2033470), (10, 1626776), (16, 1016735), (20, 813388), (40, 406694), (43, 378320), (80, 203347), (86, 189160), (172, 94580), (215, 75664), (344, 47290), (430, 37832), (688, 23645), (860, 18916), (1720, 9458), (3440, 4729)]