13139012560

素因数分解:

$2^4\times 5^1\times {\mathrm{164237657}}^1$

素因数の和:164237670

約数の個数: 20

約数和(自身を含む): 30548204388

約数和(自身を除く): 17409191828

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 164237657, 328475314, 656950628, 821188285, 1313901256, 1642376570, 2627802512, 3284753140, 6569506280, 13139012560]

約数ペア:

[(1, 13139012560), (2, 6569506280), (4, 3284753140), (5, 2627802512), (8, 1642376570), (10, 1313901256), (16, 821188285), (20, 656950628), (40, 328475314), (80, 164237657)]