205658890

素因数分解:

$2^1\times 5^1\times {\mathrm{4027}}^1\times {\mathrm{5107}}^1$

素因数の和:9141

約数の個数: 16

約数和(自身を含む): 370350432

約数和(自身を除く): 164691542

約数列:

[1, 2, 5, 10, 4027, 5107, 8054, 10214, 20135, 25535, 40270, 51070, 20565889, 41131778, 102829445, 205658890]

約数ペア:

[(1, 205658890), (2, 102829445), (5, 41131778), (10, 20565889), (4027, 51070), (5107, 40270), (8054, 25535), (10214, 20135)]