10539440

素因数分解:

$2^4\times 5^1\times {\mathrm{131743}}^1$

素因数の和:131756

約数の個数: 20

約数和(自身を含む): 24504384

約数和(自身を除く): 13964944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131743, 263486, 526972, 658715, 1053944, 1317430, 2107888, 2634860, 5269720, 10539440]

約数ペア:

[(1, 10539440), (2, 5269720), (4, 2634860), (5, 2107888), (8, 1317430), (10, 1053944), (16, 658715), (20, 526972), (40, 263486), (80, 131743)]