25204545

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{719}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 21969855

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 285, 369, 615, 719, 779, 855, 1845, 2157, 2337, 3595, 3895, 6471, 7011, 10785, 11685, 13661, 29479, 32355, 35055, 40983, 68305, 88437, 122949, 147395, 204915, 265311, 442185, 560101, 614745, 1326555, 1680303, 2800505, 5040909, 8401515, 25204545]

約数ペア:

[(1, 25204545), (3, 8401515), (5, 5040909), (9, 2800505), (15, 1680303), (19, 1326555), (41, 614745), (45, 560101), (57, 442185), (95, 265311), (123, 204915), (171, 147395), (205, 122949), (285, 88437), (369, 68305), (615, 40983), (719, 35055), (779, 32355), (855, 29479), (1845, 13661), (2157, 11685), (2337, 10785), (3595, 7011), (3895, 6471)]