8049280520

素因数分解:

$2^3\times 5^1\times {\mathrm{201232013}}^1$

素因数の和:201232024

約数の個数: 16

約数和(自身を含む): 18110881260

約数和(自身を除く): 10061600740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 201232013, 402464026, 804928052, 1006160065, 1609856104, 2012320130, 4024640260, 8049280520]

約数ペア:

[(1, 8049280520), (2, 4024640260), (4, 2012320130), (5, 1609856104), (8, 1006160065), (10, 804928052), (20, 402464026), (40, 201232013)]