205775824

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{51239}}^1$

素因数の和:51498

約数の個数: 20

約数和(自身を含む): 400286880

約数和(自身を除く): 194511056

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 51239, 102478, 204956, 409912, 819824, 12860989, 25721978, 51443956, 102887912, 205775824]

約数ペア:

[(1, 205775824), (2, 102887912), (4, 51443956), (8, 25721978), (16, 12860989), (251, 819824), (502, 409912), (1004, 204956), (2008, 102478), (4016, 51239)]