25144840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12829}}^1$

素因数の和:12854

約数の個数: 48

約数和(自身を含む): 65817900

約数和(自身を除く): 40673060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 12829, 25658, 51316, 64145, 89803, 102632, 128290, 179606, 256580, 359212, 449015, 513160, 628621, 718424, 898030, 1257242, 1796060, 2514484, 3143105, 3592120, 5028968, 6286210, 12572420, 25144840]

約数ペア:

[(1, 25144840), (2, 12572420), (4, 6286210), (5, 5028968), (7, 3592120), (8, 3143105), (10, 2514484), (14, 1796060), (20, 1257242), (28, 898030), (35, 718424), (40, 628621), (49, 513160), (56, 449015), (70, 359212), (98, 256580), (140, 179606), (196, 128290), (245, 102632), (280, 89803), (392, 64145), (490, 51316), (980, 25658), (1960, 12829)]