879440

素因数分解:

$2^4\times 5^1\times {\mathrm{10993}}^1$

素因数の和:11006

約数の個数: 20

約数和(自身を含む): 2044884

約数和(自身を除く): 1165444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10993, 21986, 43972, 54965, 87944, 109930, 175888, 219860, 439720, 879440]

約数ペア:

[(1, 879440), (2, 439720), (4, 219860), (5, 175888), (8, 109930), (10, 87944), (16, 54965), (20, 43972), (40, 21986), (80, 10993)]