8889702925

素因数分解:

$5^2\times {\mathrm{1999}}^1\times {\mathrm{177883}}^1$

素因数の和:179892

約数の個数: 12

約数和(自身を含む): 11028808000

約数和(自身を除く): 2139105075

約数列:

[1, 5, 25, 1999, 9995, 49975, 177883, 889415, 4447075, 355588117, 1777940585, 8889702925]

約数ペア:

[(1, 8889702925), (5, 1777940585), (25, 355588117), (1999, 4447075), (9995, 889415), (49975, 177883)]