10139440

素因数分解:

$2^4\times 5^1\times {\mathrm{126743}}^1$

素因数の和:126756

約数の個数: 20

約数和(自身を含む): 23574384

約数和(自身を除く): 13434944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 126743, 253486, 506972, 633715, 1013944, 1267430, 2027888, 2534860, 5069720, 10139440]

約数ペア:

[(1, 10139440), (2, 5069720), (4, 2534860), (5, 2027888), (8, 1267430), (10, 1013944), (16, 633715), (20, 506972), (40, 253486), (80, 126743)]