38986520

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{9109}}^1$

素因数の和:9227

約数の個数: 32

約数和(自身を含む): 88549200

約数和(自身を除く): 49562680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 9109, 18218, 36436, 45545, 72872, 91090, 182180, 364360, 974663, 1949326, 3898652, 4873315, 7797304, 9746630, 19493260, 38986520]

約数ペア:

[(1, 38986520), (2, 19493260), (4, 9746630), (5, 7797304), (8, 4873315), (10, 3898652), (20, 1949326), (40, 974663), (107, 364360), (214, 182180), (428, 91090), (535, 72872), (856, 45545), (1070, 36436), (2140, 18218), (4280, 9109)]