136389520

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{15641}}^1$

素因数の和:15763

約数の個数: 40

約数和(自身を含む): 320035320

約数和(自身を除く): 183645800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 15641, 31282, 62564, 78205, 125128, 156410, 250256, 312820, 625640, 1251280, 1704869, 3409738, 6819476, 8524345, 13638952, 17048690, 27277904, 34097380, 68194760, 136389520]

約数ペア:

[(1, 136389520), (2, 68194760), (4, 34097380), (5, 27277904), (8, 17048690), (10, 13638952), (16, 8524345), (20, 6819476), (40, 3409738), (80, 1704869), (109, 1251280), (218, 625640), (436, 312820), (545, 250256), (872, 156410), (1090, 125128), (1744, 78205), (2180, 62564), (4360, 31282), (8720, 15641)]