39806840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6679}}^1$

素因数の和:6839

約数の個数: 32

約数和(自身を含む): 90180000

約数和(自身を除く): 50373160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 6679, 13358, 26716, 33395, 53432, 66790, 133580, 267160, 995171, 1990342, 3980684, 4975855, 7961368, 9951710, 19903420, 39806840]

約数ペア:

[(1, 39806840), (2, 19903420), (4, 9951710), (5, 7961368), (8, 4975855), (10, 3980684), (20, 1990342), (40, 995171), (149, 267160), (298, 133580), (596, 66790), (745, 53432), (1192, 33395), (1490, 26716), (2980, 13358), (5960, 6679)]