27940147280

素因数分解:

$2^4\times 5^1\times {\mathrm{349251841}}^1$

素因数の和:349251854

約数の個数: 20

約数和(自身を含む): 64960842612

約数和(自身を除く): 37020695332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 349251841, 698503682, 1397007364, 1746259205, 2794014728, 3492518410, 5588029456, 6985036820, 13970073640, 27940147280]

約数ペア:

[(1, 27940147280), (2, 13970073640), (4, 6985036820), (5, 5588029456), (8, 3492518410), (10, 2794014728), (16, 1746259205), (20, 1397007364), (40, 698503682), (80, 349251841)]