161844440

素因数分解:

$2^3\times 5^1\times {\mathrm{4046111}}^1$

素因数の和:4046122

約数の個数: 16

約数和(自身を含む): 364150080

約数和(自身を除く): 202305640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4046111, 8092222, 16184444, 20230555, 32368888, 40461110, 80922220, 161844440]

約数ペア:

[(1, 161844440), (2, 80922220), (4, 40461110), (5, 32368888), (8, 20230555), (10, 16184444), (20, 8092222), (40, 4046111)]