2602970

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1987}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 4723488

約数和(自身を除く): 2120518

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 1987, 3974, 9935, 19870, 260297, 520594, 1301485, 2602970]

約数ペア:

[(1, 2602970), (2, 1301485), (5, 520594), (10, 260297), (131, 19870), (262, 9935), (655, 3974), (1310, 1987)]