13258280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47351}}^1$

素因数の和:47369

約数の個数: 32

約数和(自身を含む): 34093440

約数和(自身を除く): 20835160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 47351, 94702, 189404, 236755, 331457, 378808, 473510, 662914, 947020, 1325828, 1657285, 1894040, 2651656, 3314570, 6629140, 13258280]

約数ペア:

[(1, 13258280), (2, 6629140), (4, 3314570), (5, 2651656), (7, 1894040), (8, 1657285), (10, 1325828), (14, 947020), (20, 662914), (28, 473510), (35, 378808), (40, 331457), (56, 236755), (70, 189404), (140, 94702), (280, 47351)]