12820270

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5749}}^1$

素因数の和:5979

約数の個数: 16

約数和(自身を含む): 23184000

約数和(自身を除く): 10363730

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 5749, 11498, 28745, 57490, 1282027, 2564054, 6410135, 12820270]

約数ペア:

[(1, 12820270), (2, 6410135), (5, 2564054), (10, 1282027), (223, 57490), (446, 28745), (1115, 11498), (2230, 5749)]