16479440

素因数分解:

$2^4\times 5^1\times {\mathrm{205993}}^1$

素因数の和:206006

約数の個数: 20

約数和(自身を含む): 38314884

約数和(自身を除く): 21835444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205993, 411986, 823972, 1029965, 1647944, 2059930, 3295888, 4119860, 8239720, 16479440]

約数ペア:

[(1, 16479440), (2, 8239720), (4, 4119860), (5, 3295888), (8, 2059930), (10, 1647944), (16, 1029965), (20, 823972), (40, 411986), (80, 205993)]