205311320

素因数分解:

$2^3\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{5087}}^1$

素因数の和:6107

約数の個数: 32

約数和(自身を含む): 462499200

約数和(自身を除く): 257187880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1009, 2018, 4036, 5045, 5087, 8072, 10090, 10174, 20180, 20348, 25435, 40360, 40696, 50870, 101740, 203480, 5132783, 10265566, 20531132, 25663915, 41062264, 51327830, 102655660, 205311320]

約数ペア:

[(1, 205311320), (2, 102655660), (4, 51327830), (5, 41062264), (8, 25663915), (10, 20531132), (20, 10265566), (40, 5132783), (1009, 203480), (2018, 101740), (4036, 50870), (5045, 40696), (5087, 40360), (8072, 25435), (10090, 20348), (10174, 20180)]