25748240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45979}}^1$

素因数の和:45999

約数の個数: 40

約数和(自身を含む): 68418240

約数和(自身を除く): 42670000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45979, 91958, 183916, 229895, 321853, 367832, 459790, 643706, 735664, 919580, 1287412, 1609265, 1839160, 2574824, 3218530, 3678320, 5149648, 6437060, 12874120, 25748240]

約数ペア:

[(1, 25748240), (2, 12874120), (4, 6437060), (5, 5149648), (7, 3678320), (8, 3218530), (10, 2574824), (14, 1839160), (16, 1609265), (20, 1287412), (28, 919580), (35, 735664), (40, 643706), (56, 459790), (70, 367832), (80, 321853), (112, 229895), (140, 183916), (280, 91958), (560, 45979)]