53240840

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{1291}}^1$

素因数の和:2333

約数の個数: 32

約数和(自身を含む): 120000960

約数和(自身を除く): 66760120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 1291, 2062, 2582, 4124, 5155, 5164, 6455, 8248, 10310, 10328, 12910, 20620, 25820, 41240, 51640, 1331021, 2662042, 5324084, 6655105, 10648168, 13310210, 26620420, 53240840]

約数ペア:

[(1, 53240840), (2, 26620420), (4, 13310210), (5, 10648168), (8, 6655105), (10, 5324084), (20, 2662042), (40, 1331021), (1031, 51640), (1291, 41240), (2062, 25820), (2582, 20620), (4124, 12910), (5155, 10328), (5164, 10310), (6455, 8248)]