11280125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 15095808

約数和(自身を除く): 3815683

約数列:

[1, 5, 25, 31, 41, 71, 125, 155, 205, 355, 775, 1025, 1271, 1775, 2201, 2911, 3875, 5125, 6355, 8875, 11005, 14555, 31775, 55025, 72775, 90241, 158875, 275125, 363875, 451205, 2256025, 11280125]

約数ペア:

[(1, 11280125), (5, 2256025), (25, 451205), (31, 363875), (41, 275125), (71, 158875), (125, 90241), (155, 72775), (205, 55025), (355, 31775), (775, 14555), (1025, 11005), (1271, 8875), (1775, 6355), (2201, 5125), (2911, 3875)]