209384080

素因数分解:

$2^4\times 5^1\times {\mathrm{2617301}}^1$

素因数の和:2617314

約数の個数: 20

約数和(自身を含む): 486818172

約数和(自身を除く): 277434092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2617301, 5234602, 10469204, 13086505, 20938408, 26173010, 41876816, 52346020, 104692040, 209384080]

約数ペア:

[(1, 209384080), (2, 104692040), (4, 52346020), (5, 41876816), (8, 26173010), (10, 20938408), (16, 13086505), (20, 10469204), (40, 5234602), (80, 2617301)]