51640616

素因数分解:

$2^3\times {\mathrm{643}}^1\times {\mathrm{10039}}^1$

素因数の和:10688

約数の個数: 16

約数和(自身を含む): 96986400

約数和(自身を除く): 45345784

約数列:

[1, 2, 4, 8, 643, 1286, 2572, 5144, 10039, 20078, 40156, 80312, 6455077, 12910154, 25820308, 51640616]

約数ペア:

[(1, 51640616), (2, 25820308), (4, 12910154), (8, 6455077), (643, 80312), (1286, 40156), (2572, 20078), (5144, 10039)]