210922160

素因数分解:

$2^4\times 5^1\times {\mathrm{2636527}}^1$

素因数の和:2636540

約数の個数: 20

約数和(自身を含む): 490394208

約数和(自身を除く): 279472048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2636527, 5273054, 10546108, 13182635, 21092216, 26365270, 42184432, 52730540, 105461080, 210922160]

約数ペア:

[(1, 210922160), (2, 105461080), (4, 52730540), (5, 42184432), (8, 26365270), (10, 21092216), (16, 13182635), (20, 10546108), (40, 5273054), (80, 2636527)]