8168080

素因数分解:

$2^4\times 5^1\times {\mathrm{102101}}^1$

素因数の和:102114

約数の個数: 20

約数和(自身を含む): 18990972

約数和(自身を除く): 10822892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 102101, 204202, 408404, 510505, 816808, 1021010, 1633616, 2042020, 4084040, 8168080]

約数ペア:

[(1, 8168080), (2, 4084040), (4, 2042020), (5, 1633616), (8, 1021010), (10, 816808), (16, 510505), (20, 408404), (40, 204202), (80, 102101)]