80826260

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{40013}}^1$

素因数の和:40123

約数の個数: 24

約数和(自身を含む): 171419976

約数和(自身を除く): 90593716

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 40013, 80026, 160052, 200065, 400130, 800260, 4041313, 8082626, 16165252, 20206565, 40413130, 80826260]

約数ペア:

[(1, 80826260), (2, 40413130), (4, 20206565), (5, 16165252), (10, 8082626), (20, 4041313), (101, 800260), (202, 400130), (404, 200065), (505, 160052), (1010, 80026), (2020, 40013)]