29131280

素因数分解:

$2^4\times 5^1\times {\mathrm{364141}}^1$

素因数の和:364154

約数の個数: 20

約数和(自身を含む): 67730412

約数和(自身を除く): 38599132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 364141, 728282, 1456564, 1820705, 2913128, 3641410, 5826256, 7282820, 14565640, 29131280]

約数ペア:

[(1, 29131280), (2, 14565640), (4, 7282820), (5, 5826256), (8, 3641410), (10, 2913128), (16, 1820705), (20, 1456564), (40, 728282), (80, 364141)]