25631480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91541}}^1$

素因数の和:91559

約数の個数: 32

約数和(自身を含む): 65910240

約数和(自身を除く): 40278760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91541, 183082, 366164, 457705, 640787, 732328, 915410, 1281574, 1830820, 2563148, 3203935, 3661640, 5126296, 6407870, 12815740, 25631480]

約数ペア:

[(1, 25631480), (2, 12815740), (4, 6407870), (5, 5126296), (7, 3661640), (8, 3203935), (10, 2563148), (14, 1830820), (20, 1281574), (28, 915410), (35, 732328), (40, 640787), (56, 457705), (70, 366164), (140, 183082), (280, 91541)]