25640656

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{22571}}^1$

素因数の和:22650

約数の個数: 20

約数和(自身を含む): 50380704

約数和(自身を除く): 24740048

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 22571, 45142, 90284, 180568, 361136, 1602541, 3205082, 6410164, 12820328, 25640656]

約数ペア:

[(1, 25640656), (2, 12820328), (4, 6410164), (8, 3205082), (16, 1602541), (71, 361136), (142, 180568), (284, 90284), (568, 45142), (1136, 22571)]