1720210025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{1873}}^1\times {\mathrm{2161}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 2260786104

約数和(自身を除く): 540576079

約数列:

[1, 5, 17, 25, 85, 425, 1873, 2161, 9365, 10805, 31841, 36737, 46825, 54025, 159205, 183685, 796025, 918425, 4047553, 20237765, 68808401, 101188825, 344042005, 1720210025]

約数ペア:

[(1, 1720210025), (5, 344042005), (17, 101188825), (25, 68808401), (85, 20237765), (425, 4047553), (1873, 918425), (2161, 796025), (9365, 183685), (10805, 159205), (31841, 54025), (36737, 46825)]