140517680

素因数分解:

$2^4\times 5^1\times {\mathrm{1756471}}^1$

素因数の和:1756484

約数の個数: 20

約数和(自身を含む): 326703792

約数和(自身を除く): 186186112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1756471, 3512942, 7025884, 8782355, 14051768, 17564710, 28103536, 35129420, 70258840, 140517680]

約数ペア:

[(1, 140517680), (2, 70258840), (4, 35129420), (5, 28103536), (8, 17564710), (10, 14051768), (16, 8782355), (20, 7025884), (40, 3512942), (80, 1756471)]