1520880025

素因数分解:

$5^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{20071}}^1$

素因数の和:20521

約数の個数: 24

約数和(自身を含む): 2160389504

約数和(自身を除く): 639509479

約数列:

[1, 5, 7, 25, 35, 175, 433, 2165, 3031, 10825, 15155, 20071, 75775, 100355, 140497, 501775, 702485, 3512425, 8690743, 43453715, 60835201, 217268575, 304176005, 1520880025]

約数ペア:

[(1, 1520880025), (5, 304176005), (7, 217268575), (25, 60835201), (35, 43453715), (175, 8690743), (433, 3512425), (2165, 702485), (3031, 501775), (10825, 140497), (15155, 100355), (20071, 75775)]