86587480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{309241}}^1$

素因数の和:309259

約数の個数: 32

約数和(自身を含む): 222654240

約数和(自身を除く): 136066760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 309241, 618482, 1236964, 1546205, 2164687, 2473928, 3092410, 4329374, 6184820, 8658748, 10823435, 12369640, 17317496, 21646870, 43293740, 86587480]

約数ペア:

[(1, 86587480), (2, 43293740), (4, 21646870), (5, 17317496), (7, 12369640), (8, 10823435), (10, 8658748), (14, 6184820), (20, 4329374), (28, 3092410), (35, 2473928), (40, 2164687), (56, 1546205), (70, 1236964), (140, 618482), (280, 309241)]