142355440

素因数分解:

$2^4\times 5^1\times {\mathrm{1779443}}^1$

素因数の和:1779456

約数の個数: 20

約数和(自身を含む): 330976584

約数和(自身を除く): 188621144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1779443, 3558886, 7117772, 8897215, 14235544, 17794430, 28471088, 35588860, 71177720, 142355440]

約数ペア:

[(1, 142355440), (2, 71177720), (4, 35588860), (5, 28471088), (8, 17794430), (10, 14235544), (16, 8897215), (20, 7117772), (40, 3558886), (80, 1779443)]