256080250

素因数分解:

$2^1\times 5^3\times {\mathrm{1024321}}^1$

素因数の和:1024338

約数の個数: 16

約数和(自身を含む): 479382696

約数和(自身を除く): 223302446

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 1024321, 2048642, 5121605, 10243210, 25608025, 51216050, 128040125, 256080250]

約数ペア:

[(1, 256080250), (2, 128040125), (5, 51216050), (10, 25608025), (25, 10243210), (50, 5121605), (125, 2048642), (250, 1024321)]