16559440

素因数分解:

$2^4\times 5^1\times {\mathrm{206993}}^1$

素因数の和:207006

約数の個数: 20

約数和(自身を含む): 38500884

約数和(自身を除く): 21941444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 206993, 413986, 827972, 1034965, 1655944, 2069930, 3311888, 4139860, 8279720, 16559440]

約数ペア:

[(1, 16559440), (2, 8279720), (4, 4139860), (5, 3311888), (8, 2069930), (10, 1655944), (16, 1034965), (20, 827972), (40, 413986), (80, 206993)]