25721840

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{11087}}^1$

素因数の和:11129

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 36149200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 11087, 22174, 44348, 55435, 88696, 110870, 177392, 221740, 321523, 443480, 643046, 886960, 1286092, 1607615, 2572184, 3215230, 5144368, 6430460, 12860920, 25721840]

約数ペア:

[(1, 25721840), (2, 12860920), (4, 6430460), (5, 5144368), (8, 3215230), (10, 2572184), (16, 1607615), (20, 1286092), (29, 886960), (40, 643046), (58, 443480), (80, 321523), (116, 221740), (145, 177392), (232, 110870), (290, 88696), (464, 55435), (580, 44348), (1160, 22174), (2320, 11087)]