256155650

素因数分解:

$2^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{12227}}^1$

素因数の和:12658

約数の個数: 24

約数和(自身を含む): 477625680

約数和(自身を除く): 221470030

約数列:

[1, 2, 5, 10, 25, 50, 419, 838, 2095, 4190, 10475, 12227, 20950, 24454, 61135, 122270, 305675, 611350, 5123113, 10246226, 25615565, 51231130, 128077825, 256155650]

約数ペア:

[(1, 256155650), (2, 128077825), (5, 51231130), (10, 25615565), (25, 10246226), (50, 5123113), (419, 611350), (838, 305675), (2095, 122270), (4190, 61135), (10475, 24454), (12227, 20950)]