8749025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 11591520

約数和(自身を除く): 2842495

約数列:

[1, 5, 19, 25, 95, 113, 163, 475, 565, 815, 2147, 2825, 3097, 4075, 10735, 15485, 18419, 53675, 77425, 92095, 349961, 460475, 1749805, 8749025]

約数ペア:

[(1, 8749025), (5, 1749805), (19, 460475), (25, 349961), (95, 92095), (113, 77425), (163, 53675), (475, 18419), (565, 15485), (815, 10735), (2147, 4075), (2825, 3097)]