16256840

素因数分解:

$2^3\times 5^1\times {\mathrm{547}}^1\times {\mathrm{743}}^1$

素因数の和:1301

約数の個数: 32

約数和(自身を含む): 36694080

約数和(自身を除く): 20437240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 547, 743, 1094, 1486, 2188, 2735, 2972, 3715, 4376, 5470, 5944, 7430, 10940, 14860, 21880, 29720, 406421, 812842, 1625684, 2032105, 3251368, 4064210, 8128420, 16256840]

約数ペア:

[(1, 16256840), (2, 8128420), (4, 4064210), (5, 3251368), (8, 2032105), (10, 1625684), (20, 812842), (40, 406421), (547, 29720), (743, 21880), (1094, 14860), (1486, 10940), (2188, 7430), (2735, 5944), (2972, 5470), (3715, 4376)]