820105775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{373}}^1\times {\mathrm{2837}}^1$

素因数の和:3251

約数の個数: 24

約数和(自身を含む): 1052920704

約数和(自身を除く): 232814929

約数列:

[1, 5, 25, 31, 155, 373, 775, 1865, 2837, 9325, 11563, 14185, 57815, 70925, 87947, 289075, 439735, 1058201, 2198675, 5291005, 26455025, 32804231, 164021155, 820105775]

約数ペア:

[(1, 820105775), (5, 164021155), (25, 32804231), (31, 26455025), (155, 5291005), (373, 2198675), (775, 1058201), (1865, 439735), (2837, 289075), (9325, 87947), (11563, 70925), (14185, 57815)]