9139220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10627}}^1$

素因数の和:10679

約数の個数: 24

約数和(自身を含む): 19640544

約数和(自身を除く): 10501324

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10627, 21254, 42508, 53135, 106270, 212540, 456961, 913922, 1827844, 2284805, 4569610, 9139220]

約数ペア:

[(1, 9139220), (2, 4569610), (4, 2284805), (5, 1827844), (10, 913922), (20, 456961), (43, 212540), (86, 106270), (172, 53135), (215, 42508), (430, 21254), (860, 10627)]