27964200080

素因数分解:

$2^4\times 5^1\times {\mathrm{349552501}}^1$

素因数の和:349552514

約数の個数: 20

約数和(自身を含む): 65016765372

約数和(自身を除く): 37052565292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349552501, 699105002, 1398210004, 1747762505, 2796420008, 3495525010, 5592840016, 6991050020, 13982100040, 27964200080]

約数ペア:

[(1, 27964200080), (2, 13982100040), (4, 6991050020), (5, 5592840016), (8, 3495525010), (10, 2796420008), (16, 1747762505), (20, 1398210004), (40, 699105002), (80, 349552501)]