25040025

素因数分解:

$3^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1021}}^1$

素因数の和:1146

約数の個数: 36

約数和(自身を含む): 45305260

約数和(自身を除く): 20265235

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 225, 327, 545, 981, 1021, 1635, 2725, 3063, 4905, 5105, 8175, 9189, 15315, 24525, 25525, 45945, 76575, 111289, 229725, 333867, 556445, 1001601, 1669335, 2782225, 5008005, 8346675, 25040025]

約数ペア:

[(1, 25040025), (3, 8346675), (5, 5008005), (9, 2782225), (15, 1669335), (25, 1001601), (45, 556445), (75, 333867), (109, 229725), (225, 111289), (327, 76575), (545, 45945), (981, 25525), (1021, 24525), (1635, 15315), (2725, 9189), (3063, 8175), (4905, 5105)]