204924520

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{12227}}^1$

素因数の和:12657

約数の個数: 32

約数和(自身を含む): 462218400

約数和(自身を除く): 257293880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 8380, 12227, 16760, 24454, 48908, 61135, 97816, 122270, 244540, 489080, 5123113, 10246226, 20492452, 25615565, 40984904, 51231130, 102462260, 204924520]

約数ペア:

[(1, 204924520), (2, 102462260), (4, 51231130), (5, 40984904), (8, 25615565), (10, 20492452), (20, 10246226), (40, 5123113), (419, 489080), (838, 244540), (1676, 122270), (2095, 97816), (3352, 61135), (4190, 48908), (8380, 24454), (12227, 16760)]