2256025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 2999808

約数和(自身を除く): 743783

約数列:

[1, 5, 25, 31, 41, 71, 155, 205, 355, 775, 1025, 1271, 1775, 2201, 2911, 6355, 11005, 14555, 31775, 55025, 72775, 90241, 451205, 2256025]

約数ペア:

[(1, 2256025), (5, 451205), (25, 90241), (31, 72775), (41, 55025), (71, 31775), (155, 14555), (205, 11005), (355, 6355), (775, 2911), (1025, 2201), (1271, 1775)]